Corrupted Conscience

Enchantment — Aura

Enchant creature
You control enchanted creature.
Enchanted creature has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

CMC
5
Mana cost
{3}{U}{U}
Color identity
U
Rarity
uncommon
Set
The List
Price
$0.99
EDHREC rank
#5634
Buy on TCGplayer
Corrupted Conscience card art
Corrupted Conscience steals any creature and straps infect to it — one attack with a sufficiently large threat ends a player outright via poison counters, no combat math required. Five mana is the full cost of that swing, and the Super State rules text confirms you keep the creature even if the aura is removed, though Bruna, Light of Alabaster makes the equip cost effectively zero by tutoring it directly onto a creature from the graveyard or hand.

Best Commanders

Commanders with the highest synergy

01
Bruna, Light of Alabaster

Bruna, Light of Alabaster

47.8% of decks · synergy 0.47

Bruna, Light of Alabaster's attack trigger pulls Corrupted Conscience directly from your graveyard or hand onto whatever creature she just stole — or onto herself — turning a single swing into a poison-counter kill without spending five mana from hand.

02
Ivy, Gleeful Spellthief

Ivy, Gleeful Spellthief

26.5% of decks · synergy 0.26

When you cast Corrupted Conscience targeting an opponent's creature, Ivy, Gleeful Spellthief copies the aura and can attach it to a second creature, effectively doubling your theft for free.

04
Eriette, the Beguiler

Eriette, the Beguiler

12.3% of decks · synergy 0.12

Eriette, the Beguiler drains opponents for each enchantment attached to a creature you don't control, so Corrupted Conscience pulling a creature to your side and loading it with an aura feeds that trigger while simultaneously pointing infect at the table.

05
Sen Triplets

Sen Triplets

10.2% of decks · synergy 0.09

Sen Triplets decks want to weaponize opponents' permanents, and Corrupted Conscience provides a hard steal rather than a temporary borrow — the stolen creature stays under your control and attacks with infect while Sen Triplets locks the original owner out of their hand.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander
legacy
modern
pioneer
standard
vintage
pauper
oathbreaker

Commander is where Corrupted Conscience does its best work: the multiplayer table means a stolen threat with infect can threaten a poison kill against whichever opponent is most advanced, and five mana is trivially reached by mid-game. In Legacy and Vintage it's legal but purely a curiosity — Control Magic effects at five mana don't compete with the format's tempo demands, and infect as a win condition is far more efficiently pursued with dedicated infect creatures. Oathbreaker gives it a niche home in infect-themed builds where the planeswalker-as-commander structure makes the signature-spell slot a natural fit for a haymaker aura.

Key Combos

Combo lines featuring this card

Price Context

Current price

$0.99 bulk tier

At $0.99, Corrupted Conscience sits at the top of the bulk tier — cheap enough to include without budgetary hesitation, yet meaningfully more expensive than true bulk because the theft-plus-infect combination has no direct replacement. The price reflects steady demand from Bruna and infect builds rather than casual indifference, so don't expect it to dip further.

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Updated . Data from Scryfall, EDHREC, and Commander Spellbook.