Card Codex

M:tG card similarity search

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
It Came from Planet Glurg XXGULegendary Creature — Alien Ooze You may have It Came from Planet Glurg enter the battlefield as a copy of X different creatures on the battlefield. (It has their total power, total toughness, combined mana costs, all text boxes, names, art, and so on.) 0/0
Royal Warden 3BBArtifact Creature — Necron Phalanx Commander — When Royal Warden enters the battlefield, create two tapped 2/2 black Necron Warrior artifact creature tokens. Unearth {3}{B} ({3}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.) 3/2
River Song's Diary 3Artifact Imprint — Whenever a player casts an instant or sorcery spell from their hand, exile it instead of putting it into a graveyard as it resolves. At the beginning of your upkeep, if there are four or more cards exiled with River Song's Diary, choose one of them at random. You may cast it without paying its mana cost.
Hour of Need 2UInstant Strive — This spell costs {1}{U} more to cast for each target beyond the first. Exile any number of target creatures. For each creature exiled this way, its controller creates a 4/4 blue Sphinx creature token with flying.
Seasoned Buttoneer 2UCreature — Vedalken Employee When Seasoned Buttoneer enters the battlefield, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.) 2/2
Lithophage 3RRCreature — Insect At the beginning of your upkeep, sacrifice Lithophage unless you sacrifice a Mountain. 7/7
Portcullis 4Artifact Whenever a creature enters the battlefield, if there are two or more other creatures on the battlefield, exile that creature. Return that card to the battlefield under its owner's control when Portcullis leaves the battlefield.
Simian Spirit Guide 2RCreature — Ape Spirit Exile Simian Spirit Guide from your hand: Add {R}. 2/2
Mayor of Avabruck 1GCreature — Human Advisor Werewolf Other Human creatures you control get +1/+1. At the beginning of each upkeep, if no spells were cast last turn, transform Mayor of Avabruck. 1/1
Snake Cult Initiation 3BEnchantment — Aura Enchant creature Enchanted creature has poisonous 3. (Whenever it deals combat damage to a player, that player gets three poison counters. A player with ten or more poison counters loses the game.)
Page 242