Girros, The Jungle King

Imposing Presence —At the beginning of the game, if Girros is in the command zone, you gain an emblem with "whenever a creature you control fights another creature an opponent controls, put a +1/+1 counter on it."
Whenever Girros enters the battlefield, up to X creatures you control fight target creature an opponent controls, where X is the amount of mana spent to cast Girros.