Bloodtracker is a rare Creature — Vampire Wizard card from The Lost Caverns of Ixalan Commander (LCC), collector number 186. Current market price: $0.28, TCGplayer market prices via Scryfall.
Flying {B}, Pay 2 life: Put a +1/+1 counter on this creature. When this creature leaves the battlefield, draw a card for each +1/+1 counter on it.