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
Riveteers Charm BRGInstant Choose one — • Target opponent sacrifices a creature or planeswalker they control with the highest mana value among creatures and planeswalkers they control. • Exile the top three cards of your library. Until your next end step, you may play those cards. • Exile target player's graveyard.
Goblin Engineer 1RCreature — Goblin Artificer When Goblin Engineer enters the battlefield, you may search your library for an artifact card, put it into your graveyard, then shuffle. {R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield. 1/2
Avatar of Growth 4GGCreature — Elemental Avatar This spell costs {1} less to cast for each opponent you have. Trample When Avatar of Growth enters the battlefield, each player searches their library for up to two basic land cards, puts them onto the battlefield, then shuffles. 4/4
Snowfall 2UEnchantment Cumulative upkeep {U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an Island is tapped for mana, its controller may add an additional {U}. If that Island is snow, its controller may add an additional {U}{U} instead. Spend this mana only to pay cumulative upkeep costs.
Intelligence Bobblehead 3Artifact — Bobblehead {T}: Add one mana of any color. {5}, {T}: Draw X cards, where X is the number of Bobbleheads you control.
Pirate's Landing RSorcery Draw a card. If mana from a Treasure was spent to cast this spell, seek a Pirate card instead.
Extract Brain XUBSorcery Target opponent chooses X cards from their hand. Look at those cards. You may cast a spell from among them without paying its mana cost.
Night Dealings 2BBEnchantment Whenever a source you control deals damage to another player, put that many theft counters on Night Dealings. {2}{B}{B}, Remove X theft counters from Night Dealings: Search your library for a nonland card with mana value X, reveal it, put it into your hand, then shuffle.
Forsaken Crossroads Land Forsaken Crossroads enters the battlefield tapped. As Forsaken Crossroads enters the battlefield, choose a color. When Forsaken Crossroads enters the battlefield, scry 1. If you weren't the starting player, you may untap Forsaken Crossroads instead. {T}: Add one mana of the chosen color.
Gravebreaker Lamia 4BEnchantment Creature — Snake Lamia Lifelink When Gravebreaker Lamia enters the battlefield, search your library for a card, put it into your graveyard, then shuffle. Spells you cast from your graveyard cost {1} less to cast. 4/4
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