Card Codex

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17 May 2024: Card library updated.

Act of Authority

1WW · Enchantment

When Act of Authority enters the battlefield, you may exile target artifact or enchantment. At the beginning of your upkeep, you may exile target artifact or enchantment. If you do, its controller gains control of Act of Authority.

Similar cards

Color identity:
NameManaTypeText
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Gate to Phyrexia BBEnchantment Sacrifice a creature: Destroy target artifact. Activate only during your upkeep and only once each turn.
Ring of Gix 3Artifact Echo {3} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) {1}, {T}: Tap target artifact, creature, or land.
Tempting Wurm 1GCreature — Wurm When Tempting Wurm enters the battlefield, each opponent may put any number of artifact, creature, enchantment, and/or land cards from their hand onto the battlefield. 5/5
Primitive Justice 1RSorcery As an additional cost to cast this spell, you may pay {1}{R} and/or {1}{G} any number of times. Destroy target artifact. For each additional {1}{R} you paid, destroy another target artifact. For each additional {1}{G} you paid, destroy another target artifact, and you gain 1 life.
Invasion of Kaldheim 3RBattle — Siege (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Kaldheim enters the battlefield, exile all cards from your hand, then draw that many cards. Until the end of your next turn, you may play cards exiled this way.
Icy Manipulator 4Artifact {1}, {T}: Tap target artifact, creature, or land.
Inventors' Fair Legendary Land At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life. {T}: Add {C}. {4}, {T}, Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.
Crack in Time 3WEnchantment Vanishing 3 (This enchantment enters the battlefield with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) When Crack in Time enters the battlefield and at the beginning of your precombat main phase, exile target creature an opponent controls until Crack in Time leaves the battlefield.
Karn, the Great Creator 4Legendary Planeswalker — Karn Activated abilities of artifacts your opponents control can't be activated. [+1]: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. [−2]: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand. Loyalty 5
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