Your search for "time sidewalk" revealed the following:
Time Sidewalk - No Symbol (CMB2) from Mystery Booster Playtest Cards 2021, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Steve Sunu Card Text:Take an extra turn after this one.If this card is in your opening hand, you...
Time Sidewalk - Symbol (CMB1) from Mystery Booster Playtest Cards 2019, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Steve Sunu Card Text:Take an extra turn after this one.If this card is in your opening hand, you may...
Time Walk (CED) from Collectors' Edition, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Amy Weber Card Text:(This card has square corners and a gold bordered back. Not tournament legal.)Take an extra turn after this one.
Time Walk (2ED) from Unlimited Edition, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Amy Weber Card Text:Take an extra turn after this one.