Your search for "Audacious Thief 84" revealed the following:
Audacious Thief - M20 Reprint (PLST) from The List, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dmitry Burmak Card Text:Whenever Audacious Thief attacks, you draw a card and you lose 1 life.
Audacious Thief (J25) from Foundations Jumpstart, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dmitry Burmak Card Text:Whenever Audacious Thief attacks, you draw a card and you lose 1 life.
Audacious Thief (M20) from Core Set 2020, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dmitry Burmak Card Text:Whenever Audacious Thief attacks, you draw a card and you lose 1 life.
Audacious Thief (Foil) (M20) from Core Set 2020, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Dmitry Burmak Card Text:Whenever Audacious Thief attacks, you draw a card and you lose 1 life.