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Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.) Pay 3 life: Add {R}.

{3}{U}, {T}: Look at the top X cards of your library, where X is the highest converted mana cost among artifacts you control. You may reveal an art...

{T}: Add one mana of any type that a land you control could produce.

You may cast spells as though they had flash.

No more than one creature can attack each combat. No more than one creature can block each combat.

Sacrifice a creature: Target player puts a number of cards equal to the sacrificed creature's power from the top of their library into their gravey...

{X}, Sacrifice Pernicious Deed: Destroy each artifact, creature, and enchantment with converted mana cost X or less.

Creatures you control get +1/+1. Whenever you tap a land for mana, add one mana of any type that land produced.

Creatures you control have haste. Sacrifice Fires of Yavimaya: Target creature gets +2/+2 until end of turn.

{1}{U}{B}: Exile target creature card from a graveyard. Dimir Doppelganger becomes a copy of that card, except it has this ability.

Destroy target artifact, target creature, target enchantment, and target land.

Regenerate each creature you control.

When Terastodon enters the battlefield, you may destroy up to three target noncreature permanents. For each permanent put into a graveyard this way...

Look at the top five cards of your library. You may reveal any number of creature cards from among them and put the revealed cards into your hand. ...

Whenever Hydra Omnivore deals combat damage to an opponent, it deals that much damage to each other opponent.

You may play an additional land on each of your turns.

At the beginning of each player's upkeep, Sulfuric Vortex deals 2 damage to that player. If a player would gain life, that player gains no life ins...

Add {R} for each tapped land your opponents control.

Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.

First strike Sacrifice Vampire Hexmage: Remove all counters from target permanent.

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face...