Artificer

Tinker - Once per turn you may tap 3 untapped artifacts you control, when you do, draw a card then discard a card.

LVL1: {4}{t}, Create a 1/1 artifact creature token.

LVL2: {3}{t}, Create a 1/1 artifact creature token.

LVL3: {1}{t}, Create a 1/1 artifact creature token.

LVL4: {t}, Create a 1/1 artifact creature token.