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
The Mycotyrant 1BGLegendary Creature — Elder Fungus Trample The Mycotyrant's power and toughness are each equal to the number of creatures you control that are Fungi and/or Saprolings. At the beginning of your end step, create X 1/1 black Fungus creature tokens with "This creature can't block," where X is the number of times you descended this turn. (You descend each time a permanent card is put into your graveyard from anywhere.) */*
Kodama of the Center Tree 4GLegendary Creature — Spirit Kodama of the Center Tree's power and toughness are each equal to the number of Spirits you control. Kodama of the Center Tree has soulshift X, where X is the number of Spirits you control. (When this creature dies, you may return target Spirit card with mana value X or less from your graveyard to your hand.) */*
Shrill Howler 2GCreature — Werewolf Horror Creatures with power less than Shrill Howler's power can't block it. {5}{G}: Transform Shrill Howler. 3/1
Aeon Chronicler 3UUCreature — Avatar Aeon Chronicler's power and toughness are each equal to the number of cards in your hand. Suspend X—{X}{3}{U}. X can't be 0. Whenever a time counter is removed from Aeon Chronicler while it's exiled, draw a card. */*
Battering Wurm 6GCreature — Wurm Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.) Creatures with power less than Battering Wurm's power can't block it. 4/3
Treefolk Seedlings 2GCreature — Treefolk Treefolk Seedlings's toughness is equal to the number of Forests you control. 2/*
Howlgeist 5GCreature — Spirit Wolf Creatures with power less than Howlgeist's power can't block it. Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.) 4/2
Mandate of Abaddon 3BSorcery Choose target creature you control. Destroy all creatures with power less than that creature's power.
Kagemaro, First to Suffer 3BBLegendary Creature — Demon Spirit Kagemaro, First to Suffer's power and toughness are each equal to the number of cards in your hand. {B}, Sacrifice Kagemaro: All creatures get -X/-X until end of turn, where X is the number of cards in your hand. */*
Sight of the Scalelords 4GEnchantment At the beginning of combat on your turn, creatures you control with toughness 4 or greater get +2/+2 and gain vigilance until end of turn.
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