Shapeshifter's Marrow

Set: Future Sight (#58)

Rarity: Rare

Type: Enchantment

Mana Cost: {2}{U}{U}

Colors: Blue

At the beginning of each opponent's upkeep, that player reveals the top card of their library. If it's a creature card, the player puts the card into their graveyard and this enchantment becomes a copy of that card. (If it does, it loses this ability.)