Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Erratic Mutation

2U · Instant

Choose target creature. Reveal cards from the top of your library until you reveal a nonland card. That creature gets +X/-X until end of turn, where X is that card's mana value. Put all cards revealed this way on the bottom of your library in any order.

Similar cards

Color identity:
NameManaTypeText
Invasion of Ikoria XGGBattle — Siege (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Ikoria enters the battlefield, search your library and/or graveyard for a non-Human creature card with mana value X or less and put it onto the battlefield. If you search your library this way, shuffle.
Survivor of the Unseen 2UCreature — Human Wizard Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) {T}: Draw two cards, then put a card from your hand on top of your library. 2/1
Shrine of Piercing Vision 2Artifact At the beginning of your upkeep or whenever you cast a blue spell, put a charge counter on Shrine of Piercing Vision. {T}, Sacrifice Shrine of Piercing Vision: Look at the top X cards of your library, where X is the number of charge counters on Shrine of Piercing Vision. Put one of those cards into your hand and the rest on the bottom of your library in any order.
Hotel of Fears Plane — Spacecraft At the beginning of your upkeep, exile the top card of your library. You lose life equal to its mana value. You may play that card this turn. Praise Him — Whenever chaos ensues, choose a color. Put X +1/+1 counters on target creature you control, where X is your devotion to that color. Then sacrifice another creature. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)
Dralnu's Pet 1UUCreature — Shapeshifter Kicker—{2}{B}, Discard a creature card. (You may pay {2}{B} and discard a creature card in addition to any other costs as you cast this spell.) If Dralnu's Pet was kicked, it enters the battlefield with flying and with X +1/+1 counters on it, where X is the discarded card's mana value. 2/2
Govern the Guildless 5USorcery Gain control of target monocolored creature. Forecast — {1}{U}, Reveal Govern the Guildless from your hand: Target creature becomes the color or colors of your choice until end of turn. (Activate only during your upkeep and only once each turn.)
Durnan of the Yawning Portal 3GLegendary Creature — Human Warrior Whenever Durnan attacks, look at the top four cards of your library. You may exile a creature card from among them. Put the rest on the bottom of your library in any order. For as long as that card remains exiled, you may cast it. That spell has undaunted. (It costs {1} less to cast for each opponent.) Choose a Background (You can have a Background as a second commander.) 3/3
Natural Obsolescence 1GInstant Put target artifact on the bottom of its owner's library.
Korlessa, Scale Singer GULegendary Creature — Dragon Bard You may look at the top card of your library any time. You may cast Dragon spells from the top of your library. 1/4
Brain Pry 1BSorcery Choose a nonland card name. Target player reveals their hand. That player discards a card with that name. If they can't, you draw a card.
Page 133