Thousand-Faced Shadow

Ninjutsu {2}{u}{u} ({2}{u}{u}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Flying

When Thousand-Faced Shadow enters the battlefield
from your hand, if it's attacking, create a token
that's a copy of another target attacking creature.
The token enters the battlefield tapped and
attacking.