Ulamog, the Ceaseless Hunger [Commander Masters] Locus Sphere It will awaken if you

It will awaken if you know how to ask

Set: Secret Lair Drop Promos Type: Legendary Planeswalker — Elspeth Rarity: Mythic Cost: {2}{W}{W} +1: Create a 1/1 white Soldier creature token

Set: Magic Premiere Shop 2007 Type: Basic Land — Plains Rarity: Common ({T}: Add {W}

Set: Duskmourn: House of Horror Commander Type: Enchantment Rarity: Rare Cost: {3}{R} Spiked Corridor

defending player sacrifices an artifact

Ulamog, the Ceaseless Hunger [Commander Masters] Locus Sphere It will awaken if youSet: Commander Masters Type: Legendary Creature Eldrazi Rarity: Mythic Cost: {10} A force as voracious as time itself. When you cast this spell, exile two target permanents. Indestructible Whenever Ulamog, the Ceaseless Hunger attacks, defending player exiles the top twenty cards of their library.