Card Codex

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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
Field Trip 2GSorcery Search your library for a basic Forest card, put that card onto the battlefield tapped, then shuffle. Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)
Mana Geode 3Artifact When Mana Geode enters the battlefield, scry 1. {T}: Add one mana of any color.
Bronze Walrus 3Artifact Creature — Walrus When Bronze Walrus enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) {T}: Add one mana of any color. 2/2
Drain Power UUSorcery Target player activates a mana ability of each land they control. Then that player loses all unspent mana and you add the mana lost this way.
Emergency Powers 5WUInstant Each player shuffles their hand and graveyard into their library, then draws seven cards. Exile Emergency Powers. Addendum — If you cast this spell during your main phase, you may put a permanent card with mana value 7 or less from your hand onto the battlefield.
Bolas's Citadel 3BBBLegendary Artifact You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.
Loyal Warhound 1WCreature — Dog Vigilance When Loyal Warhound enters the battlefield, if an opponent controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle. 3/1
Skyshroud Sentinel 2GCreature — Elf When Skyshroud Sentinel enters the battlefield, you may search your library for up to three cards named Skyshroud Sentinel, reveal them, put them into your hand, then shuffle. 1/1
Dire-Strain Rampage 1RGSorcery Destroy target artifact, enchantment, or land. If a land was destroyed this way, its controller may search their library for up to two basic land cards, put them onto the battlefield tapped, then shuffle. Otherwise, its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle. Flashback {3}{R}{G}
Farseek 1GSorcery Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.
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