Basilica Stalker | Murders at Karlov Manor

Flying
Whenever Basilica Stalker deals combat damage to a player, you gain 1 life and surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)