Donatello, The Inventor

Flash
Ninjutsu {b} ({b}, Return an unblocked attacker
you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
When Donatello, The Inventor enters the battlefield create a 1/1 blue thopter token with
flying and a 1/1 red servo with haste.
Mutants you control get +1/+1
"Bossanova!"