Fearless Shadowdancer

Ninjutsu {u}{b} ({u}{b}, Return an unblocked attacker you control to hand: Put this card into play from your hand tapped and attacking.)
Whenever Fearless Shadowdancer attacks, create a 1/1 blue Illusion creature token with shadow that's tapped and attacking. Exile that token at the beginning of your next upkeep.
{1}{u}: Return Fearless Shadowdancer to its owner's hand.