Super Onion Boy

Bounce On Head (when Super Onion Boy
attacks and kills a creature, untap Super
Onion Boy and he may attack again this turn.)
Respawn (when Super Onion Boy dies
lose 1 life and return him to the battlefield
underneath your control.)
Combo (when Super Onion Boy kills more
than 2 creatures during your turn, gain 1 life
and reset this)