Ainz Ooal Gown

Hexproof, Indestructible
{2}{b}, Sacrifice another creature: Create a 6/8
black Death Knight creature token.
{x}{b}{b}: Search your library for a card with
converted mana cost X, put that card into your
hand, then shuffle your library. Activate this
ability only once each turn.
{0}: Transform Ainz Ooal Gown.