Sub-Zero, Ice-Grip Mercenary

Ninjitsu {u} ({u}, Return an unblocked attacker you
control to hand: Put this card onto the battlefield from
your hand or the command zone tapped and
attacking.)
When Sub-Zero, Ice-Grip Mercenary deals
combat damage to a player, exile target instant or
sorcery card from a graveyard. Copy that card
twice. You may cast the copies.
Frozen fatally.