Volrath's Shapeshifter
{1}{U}{U}
Creature -- Phyrexian Shapeshifter
0/1
As long as the top card of your graveyard is a creature card, ~this~ has the full text of that card and has the text "{2}: Discard a card." (~this~ has that card's name, mana cost, color, types, abilities, power, and toughness.)
{2}: Discard a card.