Goblin Stabber

Haste, Assassinate (When this creature attacks, it
can attack target creature an opponent controls. If the assassin is not blocked, it deals its combat damage to
the creature it is attacking).
Whenever Goblin Stabber attacks, if it is attacking a creature, that creature's controller may pay 2 life to
have Goblin Stabber attack him or her instead.
Stab stab stab! ..who was the target again?