Shadewraith, the Unseen

Ninjitsu {4}{u}{b} ({4}{u}{b}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Shadewraith, the Unseen can't be the target of nonblue and nonblack spells or abilities from nonblue and nonblack sources.
First Strike, Skulk, Frenzy 9
Discard your hand: Return Shadewraith, the Unseen to its owner's hand