Meredith, Queen of Anagoth

Flying, Hexproof
{4}{b}{b}: Ascension—Discard the top card of
your deck. If the discarded card has an odd
converted mana cost, Exile the top 40 cards of
your opponent's deck and grant Meredith indestructible.
At the end of your turn, If your devotion to black is greater then 10, you win the game.