Blooming Burrow Bouncer

Ninjutsu {g/u} ({g/u}, Return an unblocked attacker
you control to hand: Put this card onto the
battlefield from your hand tapped and attacking.)

Whenever one or more creatures you control
deal combat damage, create a colorless Lilypad
artifact token with "{t}, Sacrifice this artifact:
Return target creature to its owner's hand. Activate only as a sorcery."