Donatello, Does Machines

Ninjutsu {1}{g} (Return an unblocked attacker you control to hand: Put this card onto the battlefield
from your hand tapped and attacking.)
Donatello enters the battlefield with a deathtouch counter on it
Whenever Donatello deals combat damage to a
player, you may remove a deathtouch counter
from it. When you do, exile target artifact or enchantment that player controls.