Jigoku Champion

Ninjutsu {4}{b}{b} ({4}{b}{b}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
First strike, bushido 4 (Whenever this creature
blocks or becomes blocked, it gets +4/+4 until end of
turn.)
Whenever Jigoku Champion deals combat
damage to a player, put two +1/+1 counters on
Jigoku Champion.