Grimoire of the Dead [Starter Commander Decks]

Set: Starter Commander Decks Type: Legendary Artifact Rarity: Mythic Cost: {4} 1, T, Discard a card: Put a study counter on Grimoire of the Dead.T, 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. They're black Zombies in addition to their other colors and types.