Sarevok's Tome is a rare Artifact — Book card from Commander Legends: Battle for Baldur's Gate (CLB), collector number 645. Current market price: $1.90, TCGplayer market prices via Scryfall.
When this artifact enters, you take the initiative. {T}: Add {C}. If you have the initiative, add {C}{C} instead. {3}, {T}: Exile cards from the top of your library until you exile a nonland card. You may cast that card without paying its mana cost. Activate only if you've completed a dungeon.
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