Spawnsire of Ulamog ROE/11

Set: Rise of the Eldrazi
Collector Code: ROE/11
Name: Spawnsire of Ulamog
Type: Creature — Eldrazi
Oracle text: Annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent of their choice.) {4}: Create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}." {20}: Cast any number of Eldrazi spells from among cards you own outside the game without paying their mana costs.
Rarity: Rare