Funeral Charm is a rare Instant card from The List (PLST), collector number TSB-44. Current market price: — (foil $0.59), TCGplayer market prices via Scryfall.
Choose one — • Target player discards a card. • Target creature gets +2/-1 until end of turn. • Target creature gains swampwalk until end of turn. (It can't be blocked as long as defending player controls a Swamp.)