Stormrider Rig
Dragons of Tarkir — uncommon
Artifact — Equipment
Stormrider Rig rulings:
2015-02-25: If the creature that entered the battlefield is no longer on the battlefield as Stormrider Rig’s second ability resolves, Stormrider Rig doesn’t move. This is also true if that creature can’t legally be equipped by Stormrider Rig.