Aether Shinobi

Ninjutsu {2}{b} ({2}{b}, Return an unblocked attacker
you control to hand: Put this card onto the battlefield
from your hand tapped and attacking.)
When Aether Shinobi deals combat damage to
planeswalker, destroy that planeswalker.
As long as Aether Shinobi is in your graveyard,
you may activate its ninjutsu ability as
thought it were in your hand.