Crushclaw, Master Of the kill

Commander ninjutsu {2}{u}{b}
Deathtouch Firststrike
When Crushclaw, Master Of the kill deals combat damage to a player draw a card.
Whenever a ninja enters the battlefield
under your control untap Crushclaw, Master Of
the kill.
When an equipment becomes unequiped from Crushclaw, master of the kill you may have it deal
1 damage to target creature