Your search for "aerial guide 29" revealed the following:
Aerial Guide (HOU) from Hour of Devastation, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sidharth Chaturvedi Card Text:FlyingWhenever Aerial Guide attacks, another target attacking creature gains flying until end of turn.
Aerial Guide (J25) from Foundations Jumpstart, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sidharth Chaturvedi Card Text:FlyingWhenever Aerial Guide attacks, another target attacking creature gains flying until end of turn.