Ozai, Fire Lord

Whenever a Bender attacks, you may have its controller create a 1/1 red Firebender creature token that's tapped and attacking.

{4}{r}: Untap all attacking creatures. They gain trample, lifelink, and haste until end of turn. After this phase, there is an additional combat phase. Activate only during combat.

"You will learn respect. And suffering will be your teacher"