Order of Sacred Dusk is a rare Creature — Vampire Knight card from The Lost Caverns of Ixalan Commander (LCC), collector number 65. Current market price: $0.45, TCGplayer market prices via Scryfall.
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Flying, lifelink, haste Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) Other Vampires you control have exalted.