Darkstalker, Animus King

+2: Sry 2 then draw to cards.
-4: It becomes night. Nightwings you control get +2/+2. Search your library for a card named “City of night”. Put in into your hand. Shuffle library.
-12: Destroy half of the Icewings on the battlefield, rounded up. You gain 6 life. Create two 4/5 Nightwing creature token with flying.