Remorse

Haste, Vigilance, Defender, Deathtouch.
When this creature enters the battlefield, its controller creates 2 Hammer and 2 Nail
creature tokens.
As long as creatures named Hammer or Nail are
on the battlefield, this card has Hexproof and Indestrucible.
If there are no creatures named Hammer or Nail
on the battlefield, exile this creature, then return Angela, Library Director to the battlefield from exile
and transform Angela, Library Director.