Time Sidewalk 
Sorcery
Take an extra turn after this one. If this card is in your opening hand, you may exile it. If you do, create four Time Walk token cards and shuffle them into your deck.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL