Hedron Fields of Agadeem
Planechase 2012 Edition "Planes" and "Phenomena" — Common
Plane — Zendikar
Creatures with power 7 or greater can't attack or block.
Whenever you roll , put a 7/7 colorless Eldrazi creature token with annihilator 1 onto the battlefield. (Whenever it attacks, defending player sacrifices a permanent.)