Edgin, Persistent Planner

When Edgin, Persistent Planner enters the battlefield, choose one:
Plan A- Until end of turn, you may cast target
Instant or Sorcery from your hand with mana value
3 or less for free. If you do, exile it as it resolves.
Plan B- Gain control of target
noncreature artifact a player controls for as long
as Edgin, Persistent Planner remains on the
battlefield. It gains {1}, {t}: Create a treasure
token.