Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Tainted Observer

1GU · Creature — Phyrexian Bird

Flying Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Whenever another creature enters the battlefield under your control, you may pay {2}. If you do, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) 2/3

Similar cards

Color identity:
NameManaTypeText
Chainer, Nightmare Adept 2BRLegendary Creature — Human Minion Discard a card: You may cast a creature spell from your graveyard this turn. Activate only once each turn. Whenever a nontoken creature enters the battlefield under your control, if you didn't cast it from your hand, it gains haste until your next turn. 3/2
Multiform Wonder 5Artifact Creature — Construct When Multiform Wonder enters the battlefield, you get {E}{E}{E} (three energy counters). Pay {E}: Multiform Wonder gains your choice of flying, vigilance, or lifelink until end of turn. Pay {E}: Multiform Wonder gets +2/-2 or -2/+2 until end of turn. 3/3
Present Arms 2USorcery — Adventure Exchange your library with another deck you own from outside the game. Shuffle your library.
In the Web of War 3RREnchantment Whenever a creature enters the battlefield under your control, it gets +2/+0 and gains haste until end of turn.
Isle of Vesuva Plane — Dominaria Whenever a nontoken creature enters the battlefield, its controller creates a token that's a copy of that creature. Whenever chaos ensues, destroy target creature and all other creatures with the same name as that creature.
Iron Star 1Artifact Whenever a player casts a red spell, you may pay {1}. If you do, you gain 1 life.
Onyx Talisman 2Artifact Whenever a player casts a black spell, you may pay {3}. If you do, untap target permanent.
True Identity 1WEnchantment Whenever True Identity or another permanent you control is turned face up, scry 1, then draw a card. This ability triggers only once each turn. Disguise {W} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.)
Undercover Operative 2UUCreature — Shapeshifter Rogue You may have Undercover Operative enter the battlefield as a copy of any creature on the battlefield, except it enters with a shield counter on it if you control that creature. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) 0/0
Lapis Lazuli Talisman 2Artifact Whenever a player casts a blue spell, you may pay {3}. If you do, untap target permanent.
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