Eye of Jace 170 (Reality Fracture)

At the beginning of your upkeep, surveil 1. Then if there are seven or more cards in your graveyard, sacrifice this artifact, it deals 2 damage to each opponent, and you gain 2 life. (To surveil 1, look at the top card of your library. You may put it into your graveyard.)

NM - $0.70
LP - $0.70
MP - $0.70
HP - $0.70
DMG - $0.70