Ronin, Aspect of Rage

Flying, trample

Raid: If this creature attacked this turn, at the beginning of your endstep, deal X damage to each creature target player controls, where X is Ronin, Aspect of Rage's power.

If Ronin, Aspect of Rage would become the target of a spell or ability you don't control, counter that spell or ability. Then, untap Ronin, Aspect of Rage. After this combat phase there is an additional combat phase, and an additional endstep.