Ambitious Artificer

+2: Create a Gear Artifact token with "Sacrifice this artifact: Add or remove one time counter from yourself."
-3: Create an Emblem with "Whenever you would create one or more Gear Tokens, Create double the Gears."
-4: Create an Emblem with "At the beginning of your upkeep, create one Gear Artifact token with abilities described on Ambitious Artificer."