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
Cemetery Gatekeeper 1RCreature — Vampire First strike When Cemetery Gatekeeper enters the battlefield, exile a card from a graveyard. Whenever a player plays a land or casts a spell, if it shares a card type with the exiled card, Cemetery Gatekeeper deals 2 damage to that player. 2/1
Winding Canyons Land {T}: Add {C}. {2}, {T}: You may cast creature spells this turn as though they had flash.
Urza's Hot Tub 2Artifact {2}, Discard a card: Search your library for a card that shares a complete word in its name with the discarded card, reveal it, put it into your hand, then shuffle.
Favor of the Mighty 1WTribal Enchantment — Giant Each creature with the highest mana value has protection from all colors.
The Key to the Vault 1ULegendary Artifact — Equipment Whenever equipped creature deals combat damage to a player, look at that many cards from the top of your library. You may exile a nonland card from among them. Put the rest on the bottom of your library in a random order. You may cast the exiled card without paying its mana cost. Equip {2}{U}
Phyrexian Devourer 6Artifact Creature — Phyrexian Construct When Phyrexian Devourer's power is 7 or greater, sacrifice it. Exile the top card of your library: Put X +1/+1 counters on Phyrexian Devourer, where X is the exiled card's mana value. 1/1
Cryptic Spires Land As you create your deck, circle two of the colors below. Cryptic Spires enters the battlefield tapped. {T}: Add one mana of either of the circled colors.
Psychic Network UEnchantment Each player plays with the top card of their library held against their forehead, revealed to each other player.
Mana Maze 1UEnchantment Players can't cast spells that share a color with the spell most recently cast this turn.
Pack Hunt 3GSorcery Search your library for up to three cards with the same name as target creature, reveal them, put them into your hand, then shuffle.
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