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
Scourge of the Skyclaves 1BCreature — Demon Kicker {4}{B} When you cast this spell, if it was kicked, each player loses half their life, rounded up. Scourge of the Skyclaves's power and toughness are each equal to 20 minus the highest life total among players. */*
Gutter Grime 4GEnchantment Whenever a nontoken creature you control dies, put a slime counter on Gutter Grime, then create a green Ooze creature token with "This creature's power and toughness are each equal to the number of slime counters on Gutter Grime."
Overwhelming Stampede 3GGSorcery Until end of turn, creatures you control gain trample and get +X/+X, where X is the greatest power among creatures you control.
Animate Artifact 3UEnchantment — Aura Enchant artifact As long as enchanted artifact isn't a creature, it's an artifact creature with power and toughness each equal to its mana value.
Psychosis Crawler 5Artifact Creature — Phyrexian Horror Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life. */*
Geist-Honored Monk 3WWCreature — Human Monk Vigilance Geist-Honored Monk's power and toughness are each equal to the number of creatures you control. When Geist-Honored Monk enters the battlefield, create two 1/1 white Spirit creature tokens with flying. */*
The Antiquities War 3UEnchantment — Saga (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II — Look at the top five cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. III — Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn.
Captain Rex Nebula 1RWLegendary Creature — Human Pilot Employee At the beginning of combat on your turn, choose target nonland permanent you control. Until end of turn, it becomes a Vehicle artifact with base power and toughness each equal to its mana value, and it gains crew 2 and "Crash Land — Whenever this Vehicle deals damage, roll a six-sided die. If the result is equal to this Vehicle's mana value, sacrifice this Vehicle, then it deals that much damage to any target." 2/2
Two-Handed Axe 2RArtifact — Equipment Whenever equipped creature attacks, double its power until end of turn. Equip {1}{R}
Avatar of Me 2UUCreature — Avatar This spell costs {1} more to cast for each ten years you've been alive. Avatar of Me's power is equal to your height in feet and its toughness is equal to your American shoe size. Round to the nearest ½. Avatar of Me is the color of your eyes. */*
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