Your search for "Ravenous Rotbelly 22" revealed the following:
Ravenous Rotbelly - Zippy Zombies (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Nils Hamm Card Text: Hatsune Miku: Winter DivaWhen this creature enters the battlefield, you may sacrifice up to three...
Ravenous Rotbelly - Extended Art (MIC) from Midnight Hunt Commander, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Nils Hamm Card Text:When Ravenous Rotbelly enters the battlefield, you may sacrifice up to three Zombies. When you sacrifice one...