Urza's Contact Lenses 
Artifact
This artifact enters tapped. This artifact doesn't untap during your untap step. As long as this artifact is untapped, all players play with their hands revealed. Clap your hands twice: You may tap or untap this artifact.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL