king of the gruul clans

+2: create an emblem until end of turn that says, all creatures that enter the battlefield get riot
-3: target creature you control deals damage equal to its toughness to target creature an opponent controls, if that creature would die then exile it
+8: add 5 green mana and 5 red mana to your manapool, all creatures get +5/+5, haste and trample until end of turn