+1: Create a 1/1 colorless Servo artifact creature token.
+1: The next spell you cast this turn cost less to cast for each artifact you contorl as you cast it.
-7: For each artifact you control, create a token that's a copy of it. Those tokens gain haste. Exile those tokens at the beginning of the next end step.

Saheelim the Gifted can be your commander.