Omnath Angry, Omnath Smash!

Commander / EDH Bracket 4 Mono-Green Ramp Stompy

Knuckleberry

Ramp (14)

• 1x Arbor Elf
• 1x Joraga Treespeaker
• 1x Llanowar Elves
• 1x Fanatic of Rhonas
• 1x Sakura-Tribe Elder
• 1x Flare of Cultivation
• 1x Growing Rites of Itlimoc  ^Flip
• 1x Harrow
• 1x Nissa's Pilgrimage
• 1x Wood Elves
• 1x Karametra's Acolyte
• 1x Skyshroud Claim
• 1x Ashaya, Soul of the Wild
• 1x Traverse the Outlands

Protection (9)

• 1x Yavimaya Hollow
• 1x Heroic Intervention
• 1x Lightning Greaves
• 1x Nim Deathmantle
• 1x Swiftfoot Boots
• 1x Asceticism
• 1x Spearbreaker Behemoth
• 1x Archetype of Endurance
• 1x Stonehoof Chieftain

Anti-Fly (5)

• 1x Fleetfeather Sandals
• 1x Silklash Spider
• 1x Vivien, Monsters' Advocate
• 1x Whiptongue Hydra
• 1x Sandwurm Convergence

Tutoring (5)

• 1x Urza's Cave
• 1x Invasion of Ikoria  ^Flip
• 1x Defense of the Heart
• 1x Ulvenwald Hydra
• 1x Tooth and Nail

Mana-Multiplier (11)

• 1x Doubling Cube
• 1x Selvala, Heart of the Wilds
• 1x Bear Umbra
• 1x Tanuki Transplanter
• 1x Bighorner Rancher
• 1x Seedborn MuseGC
• 1x Mana Reflection
• 1x Nyxbloom Ancient
• 1x Virtue of Strength
• 1x Zendikar Resurgent
• 1x Vorinclex, Voice of HungerGC

Land (28)

• 1x Bala Ged Sanctuary  ^Flip
• 1x Boseiju, Who Endures
• 1x Buried Ruin
• 1x Castle Garenbrig
• 20x Forest
• 1x Garden of Freyalise  ^Flip
• 1x Khalni Territory  ^Flip
• 1x Mosswort Bridge
• 1x Tanglespan Bridgeworks  ^Flip

Draw (6)

• 1x Up the Beanstalk
• 1x Greater Good
• 1x Glorious Sunrise
• 1x Mind's Eye
• 1x Rishkar's Expertise
• 1x Last March of the Ents

Combo & Finisher (5)

• 1x Helix Pinnacle
• 1x Magus of the Candelabra
• 1x Quirion Ranger
• 1x Genesis Wave
• 1x Kodama of the East Tree

Commander (1)

Ensure Combat Damage (10)

• 1x Rogue's Passage
• 1x Manifold Key
• 1x Shadowspear
• 1x Roar of Challenge
• 1x Scepter of Celebration
• 1x Whispersilk Cloak
• 1x Brawn
• 1x Overwhelming Stampede
• 1x Siege Behemoth
• 1x Treeshaker Chimera

Removal (6)

• 1x Kenrith's Transformation
• 1x Ram Through
• 1x Beast Within
• 1x Song of the Dryads
• 1x Gemrazer
• 1x Halana, Kessig Ranger

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Maybeboard

Ramp / Manaboost (16)

• 1x Pip-Boy 3000
• 1x Sword of the Animist
• 1x Three Visits
• 1x Twitching Doll
• 1x Cultivate
• 1x Kodama's Reach
• 1x Yavimaya Elder
• 1x Garruk Wildspeaker
• 1x Migration Path
• 1x Nature's Will
• 1x Wilderness Reclamation
• 1x Freyalise, Llanowar's Fury
• 1x Nissa, Who Shakes the World
• 1x Caged Sun
• 1x Sakiko, Mother of Summer
• 1x Patron of the Orochi

Mass-Removal (3)

• 1x Oblivion Stone
• 1x Nevinyrral's Disk
• 1x Perilous Vault

Combo (2)

• 1x Argothian Elder
• 1x Ley Weaver

Land (1)

• 1x Reliquary Tower

Ensure Combat-Damage (10)

• 1x Hero's Heirloom
• 1x Key to the City
• 1x Power Fist
• 1x Shinen of Life's Roar
• 1x Garruk's Uprising
• 1x Noble Quarry
• 1x Indomitable Might
• 1x Ulvenwald Oddity  ^Flip
• 1x Pathbreaker Ibex
• 1x Surrak and Goreclaw

Removal (5)

• 1x Rampaging Yao Guai
• 1x Windswift Slice
• 1x Acidic Slime
• 1x Karn Liberated
• 1x Terastodon

Utility (4)

• 1x The Dominion Bracelet
• 1x Eternal Witness
• 1x Power Matrix
• 1x Genesis

Anti-Fly (1)

• 1x Arachnogenesis

Draw (7)

• 1x Abzan Beastmaster
• 1x Colossal Majesty
• 1x Family's Favor
• 1x Owlbear Shepherd
• 1x Drumhunter
• 1x Fruit of the First Tree
• 1x Toski, Bearer of Secrets

Protection (5)

• 1x Commander's Plate
• 1x Legolas's Quick Reflexes
• 1x Smuggler's Surprise
• 1x Yeva, Nature's Herald
• 1x Vigor

Tokens (4)

• 1x Scute Swarm
• 1x One with the Kami
• 1x Wolfbriar Elemental
• 1x Rampaging Baloths

Tutoring (3)

• 1x Expedition Map
• 1x Worldly TutorGC
• 1x Natural OrderGC

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"Target acquired. Target engaged. Target angry, target angry!" ― Faceless Pilot, The Avengers

Disclaimer

My decks are non-competitive kitchen table EDH decks, which are designed to primarily play against 2 to 5 enemies. My playgroup is a bunch of mid-30s who want to meet, chill, drink and have fun at a Saturday night, so in general we don't play decks which are just frustrating for the opponents or practically exclude them from the game for the next 2 hours. We got some rules like no massive landhate or poison and we got a small internal banlist. Personally, I only build mid-budget decks. So no fancy cEDH stuff to be seen here. Sorry, not sorry. ;)

Omnath was my first own Commander and my first own deck brew at all. I already played Magic for a while when I started building this deck, but I was a poor student lacking the money to afford cards on my own back then, so me and also some other buddies mainly played with cards from a friend of mine. We had several highlander decks for multiplayer rounds, so when the commander format was introduced it felt very natural to us and said friend and me started building our first commander decks, him mono-black, me mono-green, from his card pool. Since then years have passed and Omnath might not be the most frightening deck anymore but I keep playing him mainly for nostalgic reasons and he still is scary enough to everybody focusing on me at the exact moment I start insta-killing the first dude at the table, which is also the greatest weakness of this deck tbh. Except flying creatures maybe. Speaking of flying, over the years the deck evolved naturally, adapting to its needs (and from the original deck, very few cards are still in the deck :D) which are based on the commanders of my playgroup of course. For example there's always that guy playing Aurelia, Kaalia, Jenara, Feather or even freakin' Alela which makes mono-green really sad, that's why I had to throw in some cards as an answer.

General Gameplan

Being the oldest, this deck also is the most straight forward deck of mine. Ramp up, multiply your mana, make Omnath unblockable or something alike and kill people with commander damage. Basically whenever Omnath is not in danger of getting blocked to death, tap all your mana, attack someone and afterwards play stuff. Lately I added some options to go infinite on green mana and added Helix Pinnacle as an alternative win condition.

Rules of Interest

In this section I try to collect interesting mechanics, weird interactions and cards that are often mistaken. If I got something wrong here, please feel free to correct me. It is supposed to work as a reminder for myself if needed and it might help other people who stumble across similar issues.

Omnath, Locus of Mana:
If a green mana you add to your mana pool has certain restrictions or riders associated with it (for example, if it was produced by Ancient Ziggurat), they'll apply to that mana no matter when you spend it.
Once Omnath leaves the battlefield, you have until the end of the current step or phase to spend whatever green mana is in your mana pool before it too empties as normal. There is no penalty associated with this other than the loss of the mana.

Doubling Cube:
Doubling Cube's ability is a mana ability.
Any restrictions on the mana in your mana pool aren't copied. For example, if you have {1}{W}{W}{B} with no restrictions on it in your mana pool and {U}{U}{U} that can be used only to cast artifact spells, you'll end up with {1}{1}{W}{W}{W}{W}{B}{B}, {U}{U}{U} that can be used only to cast artifact spells, and {U}{U}{U} that can be used for anything.

Nim Deathmantle:
Once Nim Deathmantle returns a card from your graveyard to the battlefield, it will remain on the battlefield indefinitely, even if Nim Deathmantle becomes unattached from it.
Nim Deathmantle's color-changing and type-changing effects override the equipped creature's previous colors and creature types. After Nim Deathmantle becomes equipped to a creature, that creature will be a black Zombie, not any other colors or creature types.
Once Nim Deathmantle becomes unattached from a creature, its color-changing and type-changing effects stop affecting that creature. The creature will no longer be black and will no longer be a Zombie (unless its printed characteristics or some other effects still cause it to be black and/or a Zombie, of course). This is true even if Nim Deathmantle returned that creature to the battlefield from the graveyard.
You choose whether to pay 4 as Nim Deathmantle's second ability resolves. Although players may respond to this ability, once it begins to resolve and you decide whether to pay, it's too late for players to respond.
Nim Deathmantle's second ability may return a card it can't equip to the battlefield. For example, if a nontoken artifact that's become a creature is put into your graveyard from the battlefield, Nim Deathmantle's second ability triggers. If you pay 4 as it resolves, you'll return that card to the battlefield. However, Nim Deathmantle can't equip it, so Nim Deathmantle remains attached to whatever it was already equipping (or, if it was unattached, it remains so). The same is true if a nontoken creature with protection from artifacts is put into your graveyard from the battlefield, for example.
If multiple nontoken creatures are put into your graveyard from the battlefield at the same time, Nim Deathmantle's second ability triggers that many times. You put the triggered abilities on the stack in any order, so you'll determine in which order they resolve. If you pay 4 more than once, each card you paid 4 for will end up on the battlefield under your control, and Nim Deathmantle will end up attached to the last card that returned to the battlefield this way that it could equip.

Mana Reflection:
Mana Reflection doesn't produce any mana itself. Rather, it causes permanents you tap for mana to produce more mana. If the mana ability of that permanent puts any restrictions or riders on the mana it produces, that will apply to all the mana it produces this way.

Asceticism, Yavimaya Hollow:
Regenerate is an activated ability and a replacement effect. A creature with regenerate basically gets a shield from one instance of death, but only from “destroy” effects or combat damage. Regenerate removes a creature from combat, so an attacker that regenerates won’t deal damage, and a blocker that regenerates won’t be assigned damage. Regenerate must be activated before combat damage occurs or before effects that say “destroy” resolve. To regenerate a card, pay the regenerate cost, tap the creature, and remove it from combat. You can still regenerate a creature if it’s already tapped or removed from combat. Regenerate only prevents one instance of lethal damage or destruction. However, you can activate multiple instances of regenerate so long as you can afford the costs. Think about regenerate kind of like a bubble that covers the creature. Once that bubble is popped, the creature can be killed again.

Card Choices

I had some kind of a hard time categorizing the cards in this deck, since many of them fulfill two roles at the same time which is the reason they are in here. So, just get started and see what they are for.

Mana Creation & Multiplying Show

Arbor Elf: Nice early drop, but also very helpful in lategame. Untapping a land is better than tapping a creature for mana if you got mana multipliers.
Joraga Treespeaker: One of the best early drops. Turn 1 play Treespeaker, turn 2 level him up and start generating 2 mana every turn.
Nissa's Pilgrimage: Does the same as Kodama's Reach or Cultivate, but searches 3 lands if you play it at a later time if you got at least 2 instants/sorceries in your graveyard.
Skyshroud Claim: Best classic ramp spell because of untapped lands. Period.
Doubling Cube: Pretty useless at start, but becomes a monster of mana multiplying in combination with mana-doublers or -tripler. Tap every land you got for doubled or tripled amount and after that, tap Cube. Profit.
Bear Umbra: 1-time safe for a creature plus untaps all lands when it attacks. Best with Omnath himself. Tap every mana, attack and before damage resolves untap and tap all mana again for doubled damage on Omnath. Note that if Omnath is destroyed all your mana is lost after your attack phase.
Seedborn MuseGC: What shall I say... untaps all your mana in every opponent's turn which pumps your Omnath like crazy on it's own. Combined with Doubling Cube or Selvala? GG. ALSO practically gives your creatures vigilance.
Zendikar Resurgent: Mana-doubling AND card draw in one card.
Vorinclex, Voice of HungerGC: Well it's on 2nd place of the most saltiest cards on EDHREC for a reason. Gives you double mana whereas your opponents have to struggle with annoying mana restrictions. Unfortunately dead on sight in most cases. But IF NOT... Anyway, you got to be very careful with when to cast this. It will draw crosshairs on your forehead.

Anti-Fly Show

Fleetfeather Sandals: I got laughed at when I integrated this into my deck. After it won me the first 2 games people stopped laughing. It gives Omnath flying which gives you offensive and defensive options your opponents won't like. Also haste: Haste is something you can rarely get in mono-green but is just SO good for Omnath cause with mana-multipliers still out he just keeps being a major threat when being able to just attack the next turn again. In combination with Greater Good they might regret destroying him beforehand.
Silklash Spider: Incarnation of Anti-fly. Has 7 toughness and reach and can destroy pretty much any flyer on the battlefield. Multiple times. Keep up the good work, spidey!
Vivien, Monsters' Advocate: Create tokens with reach or tutor and cheat-in some creature. You could also give those tokens vigilance if there are no flyers at all, but personally I prefer reach just for the matter there will be some in the future. Ignore the trample, it's useless. You can get that with something else and why should your 3/3s need trample anyway? Also: You might be sitting on a ton of mana potentially not being tied to just the cards in your hand is excellent. This card is such a good Planeswalker, just for the fact that she is able protect herself, it's awesome.
Sandwurm Convergence: Costly but definitely worth it. Even if there are no flyers on the battlefield I'm sure there's a use for some 5/5s. ;)

Removal Show

Kenrith's Transformation: Very good card imo, can shut down commanders or creatures you can't deal with AND draws you a card.
Ram Through: Can win you the game with huge Omnath if he got trample even without attacking. Otherwise still good creature removal.
Beast Within: Most versatile removal spell for mono green.
Gemrazer: Veeeery powerful total package.. When mutated with Omnath it gives him more base power and toughness + reach (anti-fly!) + trample AND destroys an artifact or enchantment.
Halana, Kessig Ranger: Somehow anti-fly since it got reach and with all those big creatures in the deck it works as a pretty reliable creature removal option.

-more coming soon-

Combos

Ashaya, Soul of the Wild + Quirion Ranger + Lightning Greaves = Infinite green Mana + infinite creature untaps

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Requires: All permanents on the battlefield. Ashaya or any other creature on the battlefield without summoning sickness.

Steps: (1) Tap Qurion Ranger and any other creature for {G}{G} as they are forests. (2) Activate Quirion Ranger, returning itself to hand, to untap the other creature. (3) Cast Quirion Ranger. (4) Attach Lightning Greaves to Quirion Ranger. (5) Repeat, floating {G} with each iteration.

Ashaya, Soul of the Wild + Quirion Ranger + Karametra's Acolyte = Infinite green Mana + infinite creature untaps

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Requires: All permanents on the battlefield. Karametra's Acolyte without summoning sickness.

Steps: (1) Tap Karametra's Acolyte for at least {G}{G}. (2) Activate Quirion Ranger, returning itself to hand, to untap Karametra's Acolyte. (3) Cast Quirion Ranger. (4) Repeat, floating {G} with each iteration. You may spend this mana to untap creatures infinitely by recasting Quirion Ranger.

Ashaya, Soul of the Wild + Quirion Ranger + Kodama of the East Tree = Infinite green Mana

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Requires: All permanents on the battlefield. Any creature without summoning sickness.

Steps: (1) Tap a creature for {G}. (2) Activate Quirion Ranger's ability to untap that creature and return Quirion Ranger to your hand. (3) Tap the creature for {G}. (4) Cast Quirion Ranger. (5) Kodama will trigger when Quirion Ranger enters the battlefield. (6) In response activate Quirion Ranger's ability to untap the creature and return Quirion Ranger to your hand. (7) Kodama's ability allows you to put Quirion Ranger onto the battlefield. (8) Repeat.

Ashaya, Soul of the Wild + Quirion Ranger + Selvala, Heart of the Wilds = Infinite Mana

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Requires: All permanents on the battlefield. Selvala does not have summoning sickness. {G} available.

Steps: (1) Activate Selvala, Heart of the Wilds by paying {G} and tapping it, adding at least {G}{G}{G}. (2) Activate Quirion Ranger by returning it to your hand, untapping Selvala. (3) Cast Quirion Ranger by paying {G}. (4) Repeat.

Ashaya, Soul of the Wild + Magus of the Candelabra + Virtue of Strength / Mana Reflection / Nyxbloom Ancient / Zendikar Resurgent / Vorinclex, Voice of HungerGC = Infinite green Mana + infinite creature untaps

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Requires: All permanents on the battlefield. Magus of the Candelabra does not have summoning sickness. 2 untapped lands that can tap for mana.

Steps: (1) Tap 2 green lands to add at least {G}{G}{G}{G}. (2) Pay {3} and tap Magus of the Candelabra, targeting itself and the two lands. (3) Repeat.

Ashaya, Soul of the Wild + Magus of the Candelabra + Karametra's Acolyte = Infinite green Mana

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Requires: All permanents on the battlefield. Magus of the Candelabra, and Karametra's Acolyte without summoning sickness.

Steps: (1) Tap Karametra's Acolyte for at least {G}{G}{G}. (2) Activate Magus of the Candelabra, targeting itself and Karametra's Acolyte. (3) Repeat.

Ashaya, Soul of the Wild + Magus of the Candelabra + Selvala, Heart of the Wilds = Infinite Mana

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Requires: All permanents on the battlefield. Magus of the Candelabra, and Selvala, Heart of the Wilds without summoning sickness. {G} available.

Steps: (1) Tap Selvala, Heart of the Wilds for at least Tap Selvala, Heart of the wilds for at least {G}{G}{G}{G}. (2) Activate Magus of the Candelabra, untapping itself and Selvala, Heart of the Wilds. (3) Repeat.

Alternative Deck Setup

Currently I'm tinkering around with an alternative playstyle for this deck which could allow me to kill everyone at the table at the same time. It's mainly centered around Praetor's Counsel. First steps are the same: ramp up, multiply your mana and push Omnath. Then abuse spells which will draw you an absurd amount of cards in combination with a huge Omnath (or other huge creatures, maybe throw in something like Ghalta, Primal Hunger) like Hunter's Insight, Hunter's Prowess, Momentous Fall, Return of the Wildspeaker, Soul's Majesty, Rishkar's Expertise and Greater Good, discard as many frightening creatures as you can and save good protection and utility spells in your hand. Do this until you have at least Praetor's Counsel in your hand and Siege Behemoth, Concordant Crossroads & Myojin of Life's Web in either your hand or graveyard. Play Counsel, play Myojin, use it's ability and drop every creature onto the battlefield, get them haste with Crossroads and BOOM you got a ton of damage in one big swing. Best possible setup would include something like Stonehoof Chieftain, Pathbreaker Ibex, Veil of Summer (so your foes can't counter Counsel and Crossroads), and maybe Heroic Intervention or Archetype of Endurance. Imagine yourself attacking with an army of creatures with haste, hexproof, indestructible, who can deal their damage although they get blocked and their power increased by Omnath's powerlevel whatever that might be, including a double-powered Omnath which will kill one guy on his own if he was an 11/11 in the first place. If this turns out to be working... oh boy, that might rise good ol' Omnath to new glory. :D But it might also be too slow since you rely on big mana. Which actually is no big deal for Omnath, it's not that rare that I end up producing like 128 mana per turn, but you never know. I definitely will try this out as soon as I get all those cards together.
If you got any ideas which would make this faster or better in any other way, please let me know. :)

Date added	4 years
Last updated	1 month
Legality	This deck is Commander / EDH legal.
Rarity (main - side)	9 - 0 Mythic Rares 40 - 0 Rares 22 - 0 Uncommons 9 - 0 Commons
Cards	100
Avg. CMC	4.00
Tokens	Beast 3/3 G, Citizen 1/1 GW, Fanatic of Rhonas 4/4 B, On an Adventure, Wurm 5/5 G
Folders	Paper Decks