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
Targ Nar, Demon-Fang Gnoll RGLegendary Creature — Gnoll Pack tactics — Whenever Targ Nar, Demon-Fang Gnoll attacks, if you attacked with creatures with total power 6 or greater this combat, attacking creatures get +1/+0 until end of turn. {2}{R}{G}: Double Targ Nar's power and toughness until end of turn. 2/2
Streetwise Negotiator 1GCreature — Cat Citizen Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.) This creature assigns combat damage equal to its toughness rather than its power. 0/2
Abomination of Llanowar 1BGLegendary Creature — Elf Horror Vigilance; menace (This creature can't be blocked except by two or more creatures.) Abomination of Llanowar's power and toughness are each equal to the number of Elves you control plus the number of Elf cards in your graveyard. */*
Karn, Silver Golem 5Legendary Artifact Creature — Golem Whenever Karn, Silver Golem blocks or becomes blocked, it gets -4/+4 until end of turn. {1}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn. 4/4
Elephant Resurgence 1GSorcery Each player creates a green Elephant creature token. Those creatures have "This creature's power and toughness are each equal to the number of creature cards in its controller's graveyard."
Huatli, the Sun's Heart 2G/WLegendary Planeswalker — Huatli Each creature you control assigns combat damage equal to its toughness rather than its power. [−3]: You gain life equal to the greatest toughness among creatures you control. Loyalty 7
Xenic Poltergeist 1BBCreature — Spirit {T}: Until your next upkeep, target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. 1/1
Yotia Declares War 1REnchantment — Saga Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.) I — Create a 0/2 colorless Thopter artifact creature token with flying named Ornithopter. II — Tap any number of untapped artifacts you control. When you do, Yotia Declares War deals that much damage to target creature or planeswalker. III — Up to one target artifact you control becomes an artifact creature with base power and toughness 4/4 until end of turn.
Vernal Sovereign 4GWCreature — Elemental Elk Whenever Vernal Sovereign enters the battlefield or attacks, create a green and white Elemental creature token with "This creature's power and toughness are each equal to the number of creatures you control." 4/4
Sutured Ghoul 4BBBCreature — Zombie Trample As Sutured Ghoul enters the battlefield, exile any number of creature cards from your graveyard. Sutured Ghoul's power is equal to the total power of the exiled cards and its toughness is equal to their total toughness. */*
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