Caves of Koilos

Legality

Format Legality
Tiny Leaders Legal
Noble Legal
Leviathan Legal
Magic Duels Legal
Canadian Highlander Legal
Vintage Legal
Modern Legal
Vanguard Legal
Legacy Legal
Archenemy Legal
Planechase Legal
Frontier Legal
1v1 Commander Legal
Duel Commander Legal
Unformat Legal
Casual Legal
Commander / EDH Legal

Printings View all

Set Rarity
Commander 2016 (C16) Rare
Magic Origins (ORI) Rare
Magic 2015 (M15) Rare
Modern Event Deck (MD1) Rare
Tenth Edition (10E) Rare
Ninth Edition (9ED) Rare
Ninth Edition Foreign Black Border (9EDFBB) Rare
Apocalypse (APC) Rare

Combos Browse all

Caves of Koilos

Land

Add to your mana pool.

: Add or to your mana pool. Caves of Koilos deals 1 damage to you.

Price & Acquistion Set Price Alerts

C16

ORI

M15

Ebay

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Caves of Koilos Discussion

SynergyBuild on Athreos, and His Apostles

5 days ago

My main concern of the deck is the "competitive" tag. That tag would imply this deck is a fully optimized, competitive list, able to see play against the best decks of the format, and still have a decent winrate.

This list, from what I see, is not able to accomplish this.


I honestly do not know what this deck is trying to do, as there was not a primer for it, nor an explanation, but I will look and see, If I am wrong in my analysis, please correct me, and I will apologize promptly if I am mistaken entirely.


It looks like a Shadowborn Apostle deck, that is using the apostles to cheat out few choice demons, of which there are 7 total, out of them Demon of Death's Gate and Ravenous Demon  Flip are simply large beatsticks, and so are basically useless for a cEDH deck, Indulgent Tormentor is the same unless you team with an opponent, and Rune-Scarred Demon is a Demonic Tutor on a stick. Ob Nixilis, Unshackled is a big hate-on search, but the 10 life and sacrifice a creature should barely hurt a player unless they are paradox combo with Captain Sisay or Arcum Dagsson, and so they use a Swords to Plowshares on it or Pongify and then combo off. Harvester of Souls is decent card draw, and Razaketh, the Foulblooded is actual tutoring.

What can you tutor for or draw to win? Not much I am afraid you only have 6 removal spells, and they aren't very good for these colors, no Dismember or anything else really.

Without Mana Crypt, Mox Diamond, Mana Vault, Fellwar Stone, Mind Stone, Lotus Petal, or Chrome Mox type effects, you can't legitimately expect to pull a win with this deck at a competitve table, and your card draw is just horrendous.

At least I would suggest you do the courtesy of running your good tutors, Demonic Tutor, Vampiric Tutor, Imperial Seal and Grim Tutor (some decks don't need Grim Tutor), along with Necropotence for draw and Ad Nauseam + Angel's Grace for the draw your deck.


May I ask about you landbase?

Commonly, for a competitive deck, the usually 2-color landbase looks like:

Ancient Tomb and Gemstone Caverns (the extra ramp lands)

Scrubland and Godless Shrine (the fetchable duals in your colors)

Windswept Heath, Bloodstained Mire, Polluted Delta, Flooded Strand, Verdant Catacombs, Arid Mesa, and Marsh Flats (the 7 fetchlands in your colors.)

City of Brass, Mana Confluence, Caves of Koilos, Fetid Heath, Concealed Courtyard, Command Tower, Forbidden Orchard, Exotic Orchard, Reflecting Pool, Gemstone Caverns, and Tarnished Citadel (the 11 unfetchable duals in your colors)

Cavern of Souls and Phyrexian Tower (the useful utility lands of your deck)

1xPlains and 6xSwamp

This 31 card landbase is fully tuned and optimized for a competitive deck, why does yours not run the rest of the good fetches, and all of the good duals?


To be entirely honest, I don't think this is a bad deck, and don't want to offend you or your deck-building skills, but I would hope you drop the "competitive" tag or change the deck a lot, it is mis-leading as it is.

If you want any deck-building advice on how to make this deck competitive, I suggest heading on over to Why Every Commander is Competitive and learning from that resource I set up for new players to cEDH.

TCG-Player on Tymna Alone is Pretty Fun

6 days ago

Why is there no Anguished Unmaking in the deck?
I think it should simply replace Unmake as it is simply way more versatile.
Also, whenever I see someone playing things like Darksteel Ingot I wonder why they do not play Commander's Sphere alongside/instead of it.

Another thing I am missing in your deck is a reasonable amount of boardwipes. If you want to keep it budget, I would recommend cards like Day of Judgment, Hour of Revelation or the new Cleansing Nova. Another cheap boardwipe that synergizes well with your deck is Fumigate.
Less budget but also more potentially more powerful boardwipes are:
Austere Command, Wrath of God, Damnation and Toxic Deluge.

The last thing I want to say is that it hurts me to see people playing Guildgates and Gainlands. Even though the Scoured Barrens might have enough synergy with the other Lifegain cards in your deck to support running it, it is just inexcusable to me to run Guildgates and other Duals that just come into play tapped.
It could really power up your deck to replace them and maybe a few Basic Lands with cards like:
Caves of Koilos, Concealed Courtyard, Shambling Vent, or maybe even cards like Godless Shrine and Fetid Heath.

SynergyBuild on Breed Lethality 2018

1 week ago

Llanowar Wastes, Caves of Koilos, Adarkar Wastes, Brushland, Yavimaya Coast, and also Underground River are powerful cards, and the life loss rarely matters. Tarnished Citadel, Forbidden Orchard, Gemstone Mine, and Reflecting Pool are also very good.

JoeNathan37 on Mardu Dragon Tribal!

2 weeks ago

Something you will definitely want to change about your deck is the land count. You’ve only got 22 right now and most EDH decks run anywhere from 34-39, depending on the deck. Some go even higher (or lower) than that, but 22 just isn’t enough lands for a 100 card deck. I just noticed that you don’t actually have any basic lands so you may have just forgotten, but I would put in some basics and a few others, maybe Nomad Outpost and Luxury Suite for example.

Also in general (and this is at least partly personal preference) the Vivid lands aren’t very good and it would be better to have duals of some other type. The scary lands (Temple of Malice, Temple of Silence, and Temple of Triumph) are pretty good (and relatively cheap) options, as are pain lands (Sulfurous Springs, Caves of Koilos, and Battlefield Forge) among others. I have a Mardu Vampire deck that has a pretty good land base which you can check out if you want, maybe get some ideas for this one (deck is here: Edgar Markov tokens).

Another thing that you may not know (or it may not apply in your meta) is that planeswalkers generally aren’t that great in EDH. People tend to gang up on them and kill them off before they do much. Of the ones you have Ugin, the Spirit Dragon is definitely an exception, he’s amazing, but aside from him and maybe Sarkhan most of them don’t seem like they’d work very well in here (especially Tibalt, the Fiend-Blooded, he’s just terrible in general).

Something I try to think about when thinking about adding planeswalkers is will their non-ultimate abilities be useful to me. You will almost never get to a planeswalker’s ultimate so the other abilities have to be worth the cost of casting the walker and the cost of running it in the deck over something potentially better. For example, Ugin. His plus defends himself fairly well and can zap players if you need it to, and his minus ability (his best ability) is an absolutely amazing boardwipe. His ult is fantastic, but it’s not enough to run him since he probably won’t get there. Tibalt is an example of the exact opposite. His ult is great, yeah, but both his other abilities are horrible. The random discard from his plus hurts a lot, and the minus is costed much too highly to be worth using ever (seriously why is it -4 that’s ridiculous), and you have to uptick him twice to even use it once, three times if you want him to survive it.

Aside from that the deck looks pretty cool. Dragons are lots of fun, I play against several dragon decks fairly regularly and they’re always pretty awesome. Scourge of the Throne is another pretty good dragon I can think of off the top of my head, you may be interested in adding him. Good luck!

DarkJester187 on Gimme Gimme ADD

1 month ago

For lands, I'd suggest adding Arch of Orazca, Myriad Landscape, Shambling Vent, Ghost Quarter, Dragonskull Summit, Clifftop Retreat, Isolated Chapel, Smoldering Marsh, Battlefield Forge, Caves of Koilos, Luxury Suite, Concealed Courtyard and Inspiring Vantage just to name a few (cutting basics in place). Obviously you can move up from there if you really like the build and wanna drop some coin on fetches/shocks/duals.

lagotripha on Orzhov White Black Extort

1 month ago

Traditionally, Soul Warden and Martyr of Sands is the key lifegain combo in white in modern.

That said, W/B ETB triggers give some powerful option with the existance of cards like Eerie Interlude and Ghostway, card advantage in cards like Dusk Legion Zealot and powerful hand disruption like Tidehollow Sculler and Sin Collector, with a 'flicker lifegain' archetype being very playable. It also opens up Aven Riftwatcher value- this card is remarkably effective.

Good luck with testing- Caves of Koilos is relatively inexpensive and really helps with the mana.

Rwhr2d2 on Angels Delight

1 month ago

This looks like it should just be a standard deck, as out of the 75 only 7 aren't standard legal. Cloudshift could be replaced with Blossoming Defense, Artic Flats could be replaced with Tranquil Expanse, and Archangel of Tithes could be replaced with more Lyras or Angel of Sanctions/Angel of Invention.
If you want to keep it as a modern deck, better lands Sunpetal Grove Stirring Wildwood Shambling Vent Caves of Koilos, along with better discard Inquisition of Kozilek, and some Baneslayer Angels.
Overall, Oketra's Monument and Lifecrafter's Bestiary seem too slow for modern and do little in the deck in standard. Cutting them to go up some lands and removal/discard seems correct.

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