Sayu, Mujina Ninja

Ninjutsu {1}{g}{g} ({1}{g}{g}, Return an unblocked attacker you control to your hand: Put this card
onto the battlefield from your hand tapped and
attacking.)
Whenever Sayu, Mujina Ninja enters the battlefield choose one:
•Creatures you control gain haste until the end of
turn
•Creatures you control gain +1/+3 until the end of
the turn