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 (Borderless) [Modern Horizons 3]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/files/243f9b28-bde7-50c9-8060-c4a3db15a742_11b8178b-6d46-440e-9735-9d4250abb789.png?v=1723043908&width=1445)