Lihim, Hidden Quietus

Lihim, Hidden Quietus is unblockable.
Whenever Lihim deals combat damage to an opponent, you draw that many cards and that player discards that many cards.
Whenever Lihim becomes the target of a spell or an ability an opponent controls, you may pay {u}{b} and discard a card. If you do, Lihim gains hexproof until end of turn. Tap it.