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 Bolas's Citadel | |
|---|---|
| Mana cost |   |
| Mana value | 6 |
| Type | Legendary Artifact |
| Power / Toughness | — |
| Rarity | Rare |
| Price | — |
| Rules text | 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.  , Sacrifice ten nonland permanents: Each opponent loses 10 life. |