Hanzo, Shirai Ryu

Vigilance, Mentor
Commander Ninjitsu {4}{r}{w} ({4}{r}{w}, return
an unblocked attacker you control to hand: put this
card onto the battlefield from your hand or the
command zone tapped and attacking.)
For each land all players play, create a 2/2 Shirai
Ryu token with ninjitsu and haste.