Sotha Sil, Clockwork God

+1: Create a 2/2 Artifact Creature that has either Flying, Haste or First Strike.
-2: Create a token creature copy of target creature. It gains Devoid. It is an Artifact in addition to it's other types.
-10: Sacrifice Sotha Sil, Clockwork God. Create and place "Clockwork City" onto the battlefield under your control.