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
Iron-Craw Crusher 7Artifact Creature — Wurm Prototype {2}{G}{G} — 2/5 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Whenever Iron-Craw Crusher attacks, target attacking creature gets +X/+0 until end of turn, where X is Iron-Craw Crusher's power. 4/6
Spitfire Handler 1RCreature — Goblin Spitfire Handler can't block creatures with power greater than Spitfire Handler's power. {R}: Spitfire Handler gets +1/+0 until end of turn. 1/1
Citywide Bust 1WWSorcery Destroy all creatures with toughness 4 or greater.
Ulvenwald Hydra 4GGCreature — Hydra Reach Ulvenwald Hydra's power and toughness are each equal to the number of lands you control. When Ulvenwald Hydra enters the battlefield, you may search your library for a land card, put it onto the battlefield tapped, then shuffle. */*
Start Your Engines 3RSorcery Vehicles you control become artifact creatures until end of turn. Creatures you control get +2/+0 until end of turn.
An-Havva Constable 1GGCreature — Human An-Havva Constable's toughness is equal to 1 plus the number of green creatures on the battlefield. 2/1+*
Wretched Bonemass Creature — Skeleton Horror Wretched Bonemass's power and toughness are each equal to the total power of the exiled cards used to craft it. Wretched Bonemass has flying as long as an exiled card used to craft it has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, protection, reach, trample, and vigilance. */*
Viridian Joiner 2GCreature — Elf Druid {T}: Add an amount of {G} equal to Viridian Joiner's power. 1/2
Purging Scythe 5Artifact At the beginning of your upkeep, Purging Scythe deals 2 damage to the creature with the least toughness. If two or more creatures are tied for least toughness, you choose one of them.
Ulvenwald Observer 4GGCreature — Treefolk Whenever a creature you control with toughness 4 or greater dies, draw a card. 6/6
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