When you cast this spell, target opponent exiles half their library, rounded up. Ward—Sacrifice 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.
![Ulamog, the Defiler (Foil Etched) [Modern Horizons 3]](http://www.cosmicgames.com/cdn/shop/files/a73da8a4-301e-4a80-9430-1d5cae8bb7f9.png?v=1759874232&width=1445)
