Foxia Ninja Night Raid Squad

When Foxia Ninja Night Raid Squad enters the battlefield, you may search your library for a
Ninja creature card, reveal it, and put it into
your hand. If you do, shuffle.
Ninjutsu {2}{g} {2}{g}, Return an unblocked attacker
you control to hand: Put this card onto the battlefield
from your hand tapped and attacking.)
We've given up in giving up!