Card Codex

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17 May 2024: Card library updated.

Unstable Mutation

U · Enchantment — Aura

Enchant creature Enchanted creature gets +3/+3. At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature.

Similar cards

Color identity:
NameManaTypeText
Esperzoa 2UArtifact Creature — Jellyfish Flying At the beginning of your upkeep, return an artifact you control to its owner's hand. 4/3
Will of the All-Hunter 1WInstant Target creature gets +2/+2 until end of turn. If it's blocking, instead put two +1/+1 counters on it. Cycling {2} ({2}, Discard this card: Draw a card.)
Invigorating Surge 2GInstant Put a +1/+1 counter on target creature you control, then double the number of +1/+1 counters on that creature.
Havoc Demon 5BBCreature — Demon Flying When Havoc Demon dies, all creatures get -5/-5 until end of turn. 5/5
Ketria Plane — Ikoria When you planeswalk to Ketria and at the beginning of your upkeep, put your choice of a vigilance, menace, or trample counter on target creature you control. Whenever chaos ensues, exile cards from the top of your library until you exile a nonland permanent card. Put that card onto the battlefield or into your hand.
Jukai Preserver 3GEnchantment Creature — Human Druid When Jukai Preserver enters the battlefield, put a +1/+1 counter on target creature you control. Channel — {2}{G}, Discard Jukai Preserver: Put a +1/+1 counter on each of up to two target creatures you control. 3/3
Phyrexian Debaser 3BCreature — Phyrexian Carrier Flying {T}, Sacrifice Phyrexian Debaser: Target creature gets -2/-2 until end of turn. 2/2
Soul Echo XWWEnchantment Soul Echo enters the battlefield with X echo counters on it. You don't lose the game for having 0 or less life. At the beginning of your upkeep, sacrifice Soul Echo if there are no echo counters on it. Otherwise, target opponent may choose that for each 1 damage that would be dealt to you until your next upkeep, you remove an echo counter from Soul Echo instead.
Koskun Falls 2BBWorld Enchantment At the beginning of your upkeep, sacrifice Koskun Falls unless you tap an untapped creature you control. Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
Elven Palisade GEnchantment Sacrifice a Forest: Target attacking creature gets -3/-0 until end of turn.
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