CardName: Shapeshifter's Marrow
Cost: 2UU
Type: Enchantment
Rules Text: At the beginning of each opponent's upkeep, that player reveals the top card of his or her library. If it's a creature card, the player puts the card into his or her graveyard and Shapeshifter's Marrow becomes a copy of that card. (If it does, it loses this ability.)
