
Target creature gets -X/-X until end of turn, where X is the number of cards in your graveyard.
Festive Funeral has 1 printing, first in Throne of Eldraine (2019). EDHREC ranks it #26,052 among Commander cards. It appears most in Winter, Tormented Loner decks (2 on EDHREC). It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.