Your search for "frantic inventory 394" revealed the following:
Frantic Inventory - Dark Frame Promo Pack (M21) from Core Set 2021, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Aaron Miller Card Text:Draw a card, then draw cards equal to the number of cards named Frantic Inventory...
Frantic Inventory - Dark Frame Promo Pack (Foil) (M21) from Core Set 2021, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Aaron Miller Card Text:Draw a card, then draw cards equal to the number of cards named Frantic...