Your search for "Ravenous Demon 71" revealed the following:
Ravenous Demon // Archdemon of Greed - Prerelease Promo (Foil) (PDKA) from Dark Ascension, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Kev Walker Card Text:Sacrifice a Human: Transform Ravenous Demon. Activate this ability only any time you...
Ravenous Demon // Archdemon of Greed (Foil) (DKA) from Dark Ascension, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Igor Kieryluk Card Text:Sacrifice a Human: Transform Ravenous Demon. Activate this ability only any time you could cast a...