Uncivil Unrest [March of the Machine Commander] Human Barbarian Warrior Whenever Grimgrin attacks

Whenever Grimgrin attacks

and Phyrexia: All Will be One are Argentum expansions

When The Beligerent and Useless Island deal combat damage to a player or battle

each creature you control with power 4 or greater gets +1/+1 and gains trample until end of turn

New Phyrexia and Phyrexia: All Will Be One expansions

Uncivil Unrest [March of the Machine Commander] Human Barbarian Warrior Whenever Grimgrin attacksSet: March of the Machine Commander Type: Enchantment Rarity: Rare Cost: {4}{R} Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1 +1 counter or haste.) If a creature you control with a +1 +1 counter on it would deal damage to a permanent or player, it deals double that damage instead.