Precons with Formless Genesis

Formless Genesis

Kindred Sorcery — Shapeshifter

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.)