When Ulamog's Nullifier enters the battlefield, you may put two cards your opponents own from exile into their owners graveyards. If you do, counter target spell.
Illus. Aleksi Briclot
2/3
MYTHICSPOILER.COM THE CYCLICAL MTG SPOILER
MythicSpoiler is a dedicated visual spoiler, designed to let you EXPLORE, DISCOVER and EXPERIENCE new Magic the Gathering sets in a simple, sortable gallery.