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17 May 2024: Card library updated.

Bolas's Citadel

3BBB · Legendary Artifact

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 mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.

Similar cards

Color identity:
NameManaTypeText
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Bearer of Silence 1BCreature — Eldrazi Devoid (This card has no color.) When you cast this spell, you may pay {1}{C}. If you do, target opponent sacrifices a creature. ({C} represents colorless mana.) Flying Bearer of Silence can't block. 2/1
Entropic Eidolon 3BCreature — Spirit {B}, Sacrifice Entropic Eidolon: Target player loses 1 life and you gain 1 life. Whenever you cast a multicolored spell, you may return Entropic Eidolon from your graveyard to your hand. 2/2
Ruin Processor 7Creature — Eldrazi Processor When you cast this spell, you may put a card an opponent owns from exile into that player's graveyard. If you do, you gain 5 life. 7/8
Undercity Plague 4BBSorcery Target player loses 1 life, discards a card, then sacrifices a permanent. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)
Stella Lee, Wild Card 1URLegendary Creature — Human Rogue Whenever you cast your second spell each turn, exile the top card of your library. Until the end of your next turn, you may play that card. {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy. Activate only if you've cast three or more spells this turn. 2/4
Upwelling 3GEnchantment Players don't lose unspent mana as steps and phases end.
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