Arvad, Weatherlight Smuggler is a rare Legendary Creature — Vampire Knight card from Alchemy: Dominaria (YDMU), collector number 20.
Deathtouch, lifelink At the beginning of your end step, if a creature died this turn, Arvad, Weatherlight Smuggler perpetually gets +X/+X where X is the number of creatures that died this turn. This ability also triggers if Arvad is in your graveyard.