Your search for "Oswald Fiddlebender 304" revealed the following:
Oswald Fiddlebender - Rulebook Showcase (Foil) (AFR) from Adventures in the Forgotten Realms, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Phil Stone Card Text:Magical Tinkering — W, T, Sacrifice an artifact: Search your library for an artifact...
Oswald Fiddlebender - Rulebook Showcase (AFR) from Adventures in the Forgotten Realms, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Phil Stone Card Text:Magical Tinkering — W, T, Sacrifice an artifact: Search your library for an artifact card...