Leonardo, Ninja Turtle

Commander ninjutsu {g/u}{g/u} ({g/u}{g/u},
Return an unblocked attacker you control to hand:
Put this card onto the battlefield from your hand or the command zone tapped and attacking.)

Whenever a ninja turtle you control deals combat
damage to a player, put a +1/+1 counter on that ninja turtle.

Team Turtle (You can have four commanders if
they all have team turtle.)