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Format | Legality |
1v1 Commander | Legal |
Alchemy | Legal |
Archenemy | Legal |
Arena | Legal |
Block Constructed | Legal |
Canadian Highlander | Legal |
Casual | Legal |
Commander / EDH | Legal |
Commander: Rule 0 | Legal |
Custom | Legal |
Duel Commander | Legal |
Gladiator | Legal |
Highlander | Legal |
Historic | Legal |
Historic Brawl | Legal |
Legacy | Legal |
Leviathan | Legal |
Limited | Legal |
Modern | Legal |
Modern Beyond Horizons | Legal |
Oathbreaker | Legal |
Pioneer | Legal |
Planar Constructed | Legal |
Planechase | Legal |
Quest Magic | Legal |
Vanguard | Legal |
Vintage | Legal |
Fiendish Duo
Creature — Devil
First strike (This creature deals combat damage before creatures without first strike or double strike.)
If a source would deal damage to an opponent, it deals double that damage to that player instead.


![Fiendish Duo feature for [2025] Party Hardy with Rakdos! Primer [1.1]](http://static.tappedout.net/mtg-cards-2/J25/fiendish-duo/regular-1734506159.png)





DemonDragonJ on
The Mind is a Terrible Thing to Raze
2 months ago
I have replaced Fiendish Duo with Twinflame Tyrant, which reduced the average converted mana cost of this deck from 3.55 to 3.53, because the duo is better for encouraging my opponents to attack each other, but, with Nekusar as the general of this deck, it is very likely that my opponents shall congregate in attacking me, so the dragon is better than is the devil, in this particular situation.
amarthaler on
Devil in the Details
2 months ago
Very cool deck! I like the strategy with it and the theme of devils is something you don't see very often.
I see you took out Fiendish Duo at some point. Why wasn't it working in the build?
amarthaler on
EDH Kardur, Doomscourge
3 months ago
Update!
Misread Valgavoth, Harrower of Souls text and don't think it fits. Replacing with Fiendish Duo.
griffstick on how does uncivil unrest work …
1 year ago
Rocketman988 on
Defile Me Daddy Rakdos
1 year ago
Hey 77hi77! I love the angle you are going for with the deck, the "playing like a demon" role. I really like the token subtheme, and it feels like you could lean into that even more to give you more breathing room to swing with Rakdos. With more emphasis on a token subtheme, you wouldn't set your board back as much when you swing with Rakdos for "revenge" when your besties turn on you. Instead of resource denial, he'd play as incentive for others to leave you alone OR ELSE. Flavor wise, the legion of tokens would represent your minions that are sacrificed to get what you want.
Burn Down the House, Dance with Devils, and Devils' Playground would fill out the devil token subtheme you have going on, and Asmodeus the Archfiend, Fiendish Duo, Mayhem Devil, and Sin Prodder add even more devil synergy that aligns with the deck goals.
Army of the Damned, Carrion, Curse of Opulence, Dreadfeast Demon, Endrek Sahr, Master Breeder, Wand of Orcus, and Infernal Genesis are all great token cards that fit the infernal theme. Baeloth Barrityl, Entertainer plus pump effects means permanent goaded enemy creatures and treasures for you to ramp with or sac to Rakdos as long as he's on the field. Speaking of pump, Arterial Alchemy can increase the power of your creatures, makes 4 permanents to sacrifice, and gives the deck even more draw power. Bloodthirsty Blade is a great demonic artifact to gift to problematic creatures. Black Market Connections gives you ramp, card draw, or tokens depending on what you need at the moment. Bite of the Black Rose is a super fun "choose your doom' flavor card. Head Games is a terrific demonic deal- while searching their library, see what deals they're willing to give you in order to get what they want. If they don't make a deal with you, they pay the price.
I hate to be the bearer of bad news, but Rakdos's abilities are not targeted abilities, so Wyll's Reversal cannot copy Rakdos's sacrifice triggers. Likewise, you can copy Rakdos's on attack ability, but it will just make YOU sacrifice half your permanents again. Since Rakdos's ability does not target, so new targets cannot be selected for it; copying his abilities just does it again to the same person it would already affect. Additionally, Rakdos's abilities have separate triggers- one that triggers on your attack and one that triggers on dealing damage to an opponent. So you do have to deal damage to an opponent to copy the opponent sacrifice ability with Strionic Resonator or Lithoform Engine. That being said, Maze of Ith is an ability that goes on the stack when activated, so it can be responded to with cards like Bolt Bend, Not of this World, Deflecting Swat, etc. Maze of Ith and instant speed interaction usually targets too, so Lightning Greaves/Swiftfoot Boots help a lot with that too.
ImNora on Cards Like Grand Cenobite?
1 year ago
Hi,
I'm building a The Prismatic Bridge Flip deck to cheat out creatures. I'm trying to pack the deck with creatures that boost the power/toughness of my other creatures. I've found things like Elesh Norn, Grand Cenobite, Pathbreaker Ibex, Blossoming Bogbeast, Kamahl, Heart of Krosa, Zopandrel, Hunger Dominus, Thunderfoot Baloth, Gisela, Blade of Goldnight, Fiendish Duo, Angrath's Marauders and Necropolis Regent. I also have Blade Historian and Blast-Furnace Hellkite for double strike since it effectively boosts power.
What cards can you think of that I missed?
Thanks, Nora
nafuller on
2 years ago
Lands: Battlefield Forge Rugged Prairie Plateau Hanweir Battlements Meld Sunhome, Fortress of the Legion Field of the Dead - if you go with a bunch of nonbasics
Untaps: Patriar's Seal Drumbellower
Board Wipes: Farewell Vandalblast
Red Temp Steal Synergy: Seize the Spotlight Grab the Reins Act of Aggression
Damage Multipliers: Fatal Frenzy Angrath's Marauders Fiendish Duo Gratuitous Violence City on Fire Solphim, Mayhem Dominus Torbran, Thane of Red Fell
Mana: Land Tax Weathered Wayfarer Knight of the White Orchid Thaumatic Compass Flip Smothering Tithe Keeper of the Accord
Creatures: Inferno Titan Ball Lightning Dockside Extortionist Terror of the Peaks Llanowar Elves Purphoros, God of the Forge Pure Reflection - Not a creature but ho boy can you sac Urabrask's Forge Battle Angels of Tyr Esper Sentinel Anger Sun Titan Cosmic Larva Blistering Firecat Phyrexian Soulgorger Hofri Ghostforge Impetuous Devils Nova Chaser Taurean Mauler Chandra's Incinerator
+X Power Purphoros's Intervention Unleash Fury Mirror Entity Elturel Survivors
Fun: Legion Loyalty Duke Ulder Ravengard Blade of Selves Elesh Norn, Grand Cenobite Hamletback Goliath
DemonDragonJ on Commander Masters Previews and Speculation
2 years ago
I would like to see some of the cards that have only ever been printed in the Game Night sets be reprinted, here, simply to increase their availability, such as Avatar of Growth, Fiendish Duo, and Sphinx of Enlightenment.