Violet Vainglory, Progeny

Hexproof, Deathtouch
Nonland cards in your hand have "Transmute X",
X is its converted mana cost.
Whenever you discard a card, you gain a
Glory Counter.
At the beginning of your Upkeep, Surveil X,
where X is the number of Glory Counters you
have. Then, if you have 20 or more Glory
Counters, you win the game.