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 (Retro) [Modern Horizons 3]](http://tothetablebgc.myshopify.com/cdn/shop/files/d577b0a9-b680-4dd2-9df2-865bab48a318_983b16e0-c60b-4343-8bf0-f6901b33b5e2.png?v=1776542955&width=1445)
