Baleful Mastery [Strixhaven: School of Mages Prerelease Promos] Dungeon {T}: Target Assembly-Worker creature gets

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn

Remove three study counters from Grimoire of the Dead and sacrifice it: Put all creature cards from all graveyards onto the battlefield under your control

Set: Sword & Shield: Crown Zenith Type: Fighting Rarity: Holo Rare Retreat cost: 1

Reverse Type: Token Creature — Goat

and you'll pay for it

Baleful Mastery [Strixhaven: School of Mages Prerelease Promos] Dungeon {T}: Target Assembly-Worker creature getsSet: Strixhaven: School of Mages Prerelease Promos Type: Instant Rarity: Rare Cost: {3}{B} You may pay {1}{B} rather than pay this spell's mana cost. If the {1}{B} cost was paid, an opponent draws a card. Exile target creature or planeswalker.