Petrified Hamlet is a rare Land card from Secrets of Strixhaven (SOS), collector number 362. Current market price: $2.09 (foil $2.65), TCGplayer market prices via Scryfall.
When this land enters, choose a land card name. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities. Lands with the chosen name have "{T}: Add {C}." {T}: Add {C}.