Wedding Security is a uncommon Creature — Vampire Soldier card from Innistrad: Crimson Vow (VOW), collector number 138. Current market price: $0.16 (foil $0.22), TCGplayer market prices via Scryfall.
Whenever this creature attacks, you may sacrifice a Blood token. If you do, put a +1/+1 counter on this creature and draw a card.