Gage, the Reconstructor

+1: Flip 2 coins. For each heads, create a 1/1 Servo creature token. For each tails, Gear deals 1 damage to you and you draw a card.
0: You may cast Artifacts from your graveyard this turn. For each artifact you cast this turn, you lose 1 life.
-6: Create an emblem that says "At the beginning of your upkeep, put a counter of your choice on each artifact you control."