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
Urza Assembles the Titans 3WWEnchantment — 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 — Scry 4, then you may reveal the top card of your library. If a planeswalker card is revealed this way, put it into your hand. II — You may put a planeswalker card with mana value 6 or less from your hand onto the battlefield. III — You may activate the loyalty abilities of planeswalkers you control twice this turn rather than only once.
Karumonix, the Rat King 1BBLegendary Creature — Phyrexian Rat Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Other Rats you control have toxic 1. When Karumonix enters the battlefield, look at the top five cards of your library. You may reveal any number of Rat cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in a random order. 3/3
Cinder Seer 3RCreature — Human Wizard {2}{R}, {T}: Reveal any number of red cards in your hand. Cinder Seer deals X damage to any target, where X is the number of cards revealed this way. 1/1
Ruin Raider 2BCreature — Orc Pirate Raid — At the beginning of your end step, if you attacked this turn, reveal the top card of your library and put that card into your hand. You lose life equal to the card's mana value. 3/2
Sirocco 1RInstant Target player reveals their hand. For each blue instant card revealed this way, that player discards that card unless they pay 4 life.
Amnesia 3UUUSorcery Target player reveals their hand and discards all nonland cards.
Aven Windreader 3UUCreature — Bird Soldier Wizard Flying (This creature can't be blocked except by creatures with flying or reach.) {1}{U}: Target player reveals the top card of their library. 3/3
Uncovered Clues 2USorcery Look at the top four cards of your library. You may reveal up to two instant and/or sorcery cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in any order.
Scouting Trek 1GSorcery Search your library for any number of basic land cards, reveal those cards, then shuffle and put them on top.
Massacre Totem Artifact At the beginning of the Horde's precombat main phase, reveal an additional card from the top of the Horde's library. The Horde casts that card. Hero's Reward — When Massacre Totem is put into a graveyard from anywhere, put the top seven cards of the Horde's library into its graveyard.
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