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
Klauth, Unrivaled Ancient 5RGLegendary Creature — Dragon Flying, haste Whenever Klauth, Unrivaled Ancient attacks, add X mana in any combination of colors, where X is the total power of attacking creatures. Spend this mana only to cast spells. Until end of turn, you don't lose this mana as steps and phases end. 4/4
Hammer Helper 3RSorcery Gain control of target creature until end of turn. Untap that creature and roll a six-sided die. Until end of turn, it gains haste and gets +X/+0, where X is the result.
Monkey- Creature — Monkey Whenever a nontoken creature you control dies, Augment {2}{G} ({2}{G}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.) +2/+2
Greater Morphling 6UUCreature — Shapeshifter {2}: Greater Morphling gains your choice of banding, bushido 1, double strike, fear, flying, first strike, haste, landwalk of your choice, protection from a color of your choice, provoke, rampage 1, shadow, or trample until end of turn. {2}: Greater Morphling becomes the colors of your choice until end of turn. {2}: Greater Morphling becomes the creature type of your choice until end of turn. {2}: Greater Morphling's expansion symbol becomes the symbol of your choice until end of turn. {2}: Greater Morphling's art becomes by the artist of your choice until end of turn. {2}: Greater Morphling gets +2/-2 or -2/+2 until end of turn. {2}: Untap Greater Morphling. 5/5
Boromir, Warden of the Tower 2WLegendary Creature — Human Soldier Vigilance Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell. Sacrifice Boromir, Warden of the Tower: Creatures you control gain indestructible until end of turn. The Ring tempts you. 3/3
Cephalid Snitch 1UCreature — Cephalid Wizard Sacrifice Cephalid Snitch: Target creature loses protection from black until end of turn. 1/1
Full Steam Ahead 3GGSorcery Until end of turn, each creature you control gets +2/+2 and gains trample and "This creature can't be blocked by more than one creature."
Windswift Slice 2GInstant Target creature you control deals damage equal to its power to target creature you don't control. Create a number of 1/1 green Elf Warrior creature tokens equal to the amount of excess damage dealt this way.
Protect 2WInstant Target creature gets +2/+4 until end of turn. Fuse (You may cast one or both halves of this card from your hand.)
Nameless Inversion 1BTribal Instant — Shapeshifter Changeling (This card is every creature type.) Target creature gets +3/-3 and loses all creature types until end of turn.
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