Cruel Ambush

Ninjutsu {2}{b} ({2}{b}, Return an unblocked attacker
you control to hand: Put this card onto the
battlefield tapped.)
All creatures get -4/-4.
At the beginning of the end step, sacrifice Cruel
Ambush.

He told them the reason he couldn't go with them
today was that he was sick. It broke his heart that
they believed him.