Ulamog, the Defiler [Modern Horizons 3] Grass choose target artifact card in

choose target artifact card in your graveyard

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Ulamog, the Defiler [Modern Horizons 3] Grass choose target artifact card inSet: Modern Horizons 3 Type: Legendary Creature Eldrazi Rarity: Mythic Cost: {10} When you cast this spell, target opponent exiles half their library, rounded up. WardSacrifice two permanents. Ulamog, the Defiler enters the battlefield with a number of +1 +1 counters on it equal to the greatest mana value among cards in exile. Ulamog has annihilator X, where X is the number of +1 +1 counters on it.