Formless Genesis is a rare Kindred Sorcery — Shapeshifter card from Duskmourn: House of Horror Commander (DSC), collector number 34. Current market price: $0.35, TCGplayer market prices via Scryfall.
Changeling (This card is every creature type.) Create an X/X colorless Shapeshifter creature token with changeling and deathtouch, where X is the number of land cards in your graveyard. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)