Koji, the Wanderer

First Strike
{g}{g}: Koji gains Hexproof and Defender until
end of turn.
Commander Ninjutsu {2}{u}{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 Koji deals combat damage, you may
draw a card and attach an Equipment you
control to Koji.