mtg arahbo roar of the worldcommander 2017Set: Commander 2017 Type: Legendary Creature Cat Avatar Rarity: Mythic Cost: {3}{G}{W} Eminence At the beginning of combat on your turn, if Arahbo, Roar of the World is in the command zone or on the battlefield, another target Cat you control gets +3 +3 until end of turn. Whenever another Cat you control attacks, you may pay {1}{G}{W}. If you do, it gains trample and gets +X +X until end of turn, where X is its power.