Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Biomass Mutation

XG/UG/U · Instant

Creatures you control have base power and toughness X/X until end of turn.

Similar cards

Color identity:
NameManaTypeText
Sovereign Okinec Ahau 2GWLegendary Creature — Cat Noble Ward {2} Whenever Sovereign Okinec Ahau attacks, for each creature you control with power greater than that creature's base power, put a number of +1/+1 counters on that creature equal to the difference. 3/4
Faerie Swarm 3UCreature — Faerie Flying Faerie Swarm's power and toughness are each equal to the number of blue permanents you control. */*
Cut Down BInstant Destroy target creature with total power and toughness 5 or less.
Kalitas, Bloodchief of Ghet 5BBLegendary Creature — Vampire Warrior {B}{B}{B}, {T}: Destroy target creature. If that creature dies this way, create a black Vampire creature token. Its power is equal to that creature's power and its toughness is equal to that creature's toughness. 5/5
Jason Bright, Glowing Prophet 2ULegendary Creature — Zombie Mutant Advisor Whenever a Zombie or Mutant you control dies, if its power was different from its base power, draw a card. Come Fly With Me — {2}, Sacrifice a creature: Put a +1/+1 counter on target creature you control. It gains flying until end of turn. 2/3
Chromium, the Mutable 4WUBLegendary Creature — Elder Dragon Flash This spell can't be countered. Flying Discard a card: Until end of turn, Chromium, the Mutable becomes a Human with base power and toughness 1/1, loses all abilities, and gains hexproof. It can't be blocked this turn. 7/7
Heedless One 3GCreature — Elf Avatar Trample Heedless One's power and toughness are each equal to the number of Elves on the battlefield. */*
Masumaro, First to Live 3GGGLegendary Creature — Spirit Masumaro, First to Live's power and toughness are each equal to twice the number of cards in your hand. */*
Lord of Extinction 3BGCreature — Elemental Lord of Extinction's power and toughness are each equal to the number of cards in all graveyards. */*
Aven Mimeomancer 1WUCreature — Bird Wizard Flying At the beginning of your upkeep, you may put a feather counter on target creature. If you do, that creature has base power and toughness 3/1 and has flying for as long as it has a feather counter on it. 3/1
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