Order of Sacred Dusk (Extended Art) (LCC-065) - The Lost Caverns of Ixalan Commander: (Extended Art)

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for 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.