Card Codex

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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
Sapling of Colfenor 3B/GB/GLegendary Creature — Treefolk Shaman Indestructible Whenever Sapling of Colfenor attacks, reveal the top card of your library. If it's a creature card, you gain life equal to that card's toughness, lose life equal to its power, then put it into your hand. 2/5
Abundant Maw 8Creature — Eldrazi Leech Emerge {6}{B} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast this spell, target opponent loses 3 life and you gain 3 life. 6/4
Massacre 2BBSorcery If an opponent controls a Plains and you control a Swamp, you may cast this spell without paying its mana cost. All creatures get -2/-2 until end of turn.
Lurking Informant 1U/BCreature — Human Rogue ({U/B} can be paid with either {U} or {B}.) {2}, {T}: Look at the top card of target player's library. You may put that card into that player's graveyard. 1/2
Dusk Mangler 5BBCreature — Horror As an additional cost to cast this spell, sacrifice a creature, discard a card, or pay 4 life. When Dusk Mangler enters the battlefield, each opponent sacrifices a creature, discards a card, and loses 4 life. 5/4
Formless Nurturing 3GSorcery Manifest the top card of your library, then put a +1/+1 counter on it. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)
Ashnod's Cylix 2Artifact {3}, {T}: Target player looks at the top three cards of their library, puts one of them back on top of their library, then exiles the rest.
Once Upon a Time 1GInstant If this spell is the first spell you've cast this game, you may cast it without paying its mana cost. Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Dimensional Infiltrator 1UCreature — Eldrazi Devoid (This card has no color.) Flash Flying {1}{C}: Target opponent exiles the top card of their library. If it's a land card, you may return Dimensional Infiltrator to its owner's hand. ({C} represents colorless mana.) 2/1
Haakon, Stromgald Scourge 1BBLegendary Creature — Zombie Knight You may cast Haakon, Stromgald Scourge from your graveyard, but not from anywhere else. As long as Haakon is on the battlefield, you may cast Knight spells from your graveyard. When Haakon dies, you lose 2 life. 3/3
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