Rileys peanut butter

Riley gets +5/+5 and gains feisty (whenever this creature dies put it onto the battlefield and have it fight the creature that dealt it damage last, then sacrifice this creature, if the creature that dealt it damage last is in a graveyard then this ability is is destroyed. ) and cuteness (whenever this creature dies or is sacrificed put two +1/+1 counters on it.) until end of turn.