Bolas’s Citadel

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 converted mana cost rather than pay its mana cost.
, Sacrifice ten nonland permanents: Each opponent loses 10 life.

Blood Crypt

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As Blood Crypt enters the battlefield, you may pay 2 life. If you don’t, it enters the battlefield tapped.

Cavalcade of Calamity

Whenever a creature you control with power 1 or less attacks, Cavalcade of Calamity deals 1 damage to the player or planeswalker that creature is attacking.

Steam Vents

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As Steam Vents enters the battlefield, you may pay 2 life. If you don’t, it enters the battlefield tapped.

Steam Vents

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As Steam Vents enters the battlefield, you may pay 2 life. If you don’t, it enters the battlefield tapped.

Ash Barrens

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Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.)

Luxury Suite

Luxury Suite enters the battlefield tapped unless you have two or more opponents.
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Starstorm

Starstorm deals X damage to each creature.
Cycling (, Discard this card: Draw a card.)

Drifting Meadow

Drifting Meadow enters the battlefield tapped.
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Cycling (, Discard this card: Draw a card.)

Voltaic Servant

At the beginning of your end step, untap target artifact.

Juggernaut

Juggernaut attacks each combat if able.
Juggernaut can’t be blocked by Walls.