Choriza, of the Cat's Tail

Commander ninjutsu {1}{w}{u}{g} (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 another ninja or cat enters the battlefield under your control, Choriza, of the
Cat's Tail gains your choice of +1/+1, vigilance, lifelink or trample until end of turn.
"For the cat's tail, I will lead us to victory!"