Forsena, Platinum Majesty

+1: When an artifact or artifact creature enters the battlefield under your control, you gain 2 life.
-2: Put a colorless Platinum Token with "Sacrifice this Token. Add 1 to your mana pool" onto the battlefield tapped.
-10: If you don't control any artifacts or artifact tokens, search your deck for up to 5 artifact spells and reveal them. You gain 5 life.