March of the Machine Commander

Hedron Fields of Agadeem

Creatures with power 7 or greater can't attack or block.
Whenever chaos ensues, create a 7/7 colorless Eldrazi creature token with annihilator 1. (Whenever it attacks, defending player sacrifices a permanent.)

Creatures with power 7 or greater can't attack or block.
Whenever chaos ensues, create a 7/7 colorless Eldrazi creature token with annihilator 1. (Whenever it attacks, defending player sacrifices a permanent of their choice.)

Planechase Anthology Planes

Creatures with power 7 or greater can't attack or block.
Whenever you roll {Chaos}, put a 7/7 colorless Eldrazi creature token with annihilator 1 onto the battlefield. (Whenever it attacks, defending player sacrifices a permanent.)

Planechase 2012 Planes

Creatures with power 7 or greater can't attack or block.
Whenever you roll chaos, put a 7/7 colorless Eldrazi creature token with annihilator 1 onto the battlefield. (Whenever it attacks, defending player sacrifices a permanent.)