Jund

Whenever a player casts a creature spell that's black, red, or green, it gains devour 5. (As the creature enters the battlefield, its controller may sacrifice any number of creatures. The creature enters the battlefield with five times that many +1/+1 counters on it.)
Whenever chaos ensues, create two 1/1 red Goblin creature tokens.

Whenever a player casts a creature spell that's black, red, or green, it gains devour 5. (As that creature enters, you may sacrifice any number of creatures. It enters with five times that many +1/+1 counters on it.)
Whenever chaos ensues, create two 1/1 red Goblin creature tokens.

Whenever a player casts a black, red, or green creature spell, it gains devour 5. (As the creature enters the battlefield, its controller may sacrifice any number of creatures. The creature enters the battlefield with five times that many +1/+1 counters on it.)
Whenever you roll chaos, put two 1/1 red Goblin creature tokens onto the battlefield.

March of the Machine Commander

Planechase Anthology Planes

Whenever a player casts a black, red, or green creature spell, it gains devour 5. (As the creature enters the battlefield, its controller may sacrifice any number of creatures. The creature enters the battlefield with five times that many +1/+1 counters on it.)
Whenever you roll CHAOS, put two 1/1 red Goblin creature tokens onto the battlefield.