Zetara, Mistress of Despair

Flying
Whenever Zetara attacks, discard a card at random.
Whenever Zetara deals combat damage to a player,
that player discards a card at random.
Whenever a player discards a creature or planeswalker card, create a 1/1 black vampire
creature token, then target player puts the top three cards of their library into their graveyard.
Whenever a player discards a noncreature card,
draw a card, then Zetara deals 2 damage to any
target.