Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Opposition Agent

2B · Creature — Human Rogue

Flash You control your opponents while they're searching their libraries. While an opponent is searching their library, they exile each card they find. You may play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast them. 3/2

Similar cards

Color identity:
NameManaTypeText
Mastermind's Acquisition 2BBSorcery Choose one — • Search your library for a card, put it into your hand, then shuffle. • Put a card you own from outside the game into your hand.
Mirrored Depths Plane — Karsus Whenever a player casts a spell, that player flips a coin. If the player loses the flip, counter that spell. Whenever chaos ensues, target player reveals the top card of their library. If it's a nonland card, you may cast it without paying its mana cost.
Dragon's Herald RCreature — Goblin Shaman {2}{R}, {T}, Sacrifice a black creature, a red creature, and a green creature: Search your library for a card named Hellkite Overlord, put it onto the battlefield, then shuffle. 1/1
Draconic Disciple 1RGCreature — Human Shaman {T}: Add one mana of any color. {7}, {T}, Sacrifice Draconic Disciple: Create a 5/5 red Dragon creature token with flying. 2/2
Sphinx's Herald UArtifact Creature — Vedalken Wizard {2}{U}, {T}, Sacrifice a white creature, a blue creature, and a black creature: Search your library for a card named Sphinx Sovereign, put it onto the battlefield, then shuffle. 1/1
Sphinx Ambassador 5UUCreature — Sphinx Flying Whenever Sphinx Ambassador deals combat damage to a player, search that player's library for a card, then that player chooses a card name. If you searched for a creature card that doesn't have that name, you may put it onto the battlefield under your control. Then that player shuffles. 5/5
Realm Seekers 4GGCreature — Elf Scout Realm Seekers enters the battlefield with X +1/+1 counters on it, where X is the total number of cards in all players' hands. {2}{G}, Remove a +1/+1 counter from Realm Seekers: Search your library for a land card, reveal it, put it into your hand, then shuffle. 0/0
Archaeological Dig Land {T}: Add {C}. {T}, Sacrifice Archaeological Dig: Add one mana of any color.
Synod Sanctum 1Artifact {2}, {T}: Exile target permanent you control. {2}, Sacrifice Synod Sanctum: Return all cards exiled with Synod Sanctum to the battlefield under your control.
Woodland Investigation GSorcery Search your library for a basic land card, reveal it, put it into your hand, then shuffle. It perpetually becomes a Clue artifact in addition to its other types and gains "{2}, Sacrifice this permanent: Draw a card."
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