
Each Vampire creature card you own that isn't on the battlefield has madness. The madness cost is equal to its mana cost. (If you discard a card with madness, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
Falkenrath Gorger has 5 printings, first in Shadows over Innistrad (2016). EDHREC ranks it #11,567 among Commander cards. It appears most in Strefan, Maurer Progenitor decks (2,657 on EDHREC). 1 public deck on TCG runs it. It has 12 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.