Tezzeret, Soul Artificer

+1: Create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control."
0: Draw a card. If you control three or more artifacts, draw two cards instead.
-3: Tezzeret, Soul Artificer deals X damage to each opponent, where X is the number of artifacts you control. You gain X life.