Hex Parasite is a rare Artifact Creature — Phyrexian Insect card from New Phyrexia (NPH), collector number 137. Current market price: $8.03 (foil $36.46), TCGplayer market prices via Scryfall.
{X}{B/P}: Remove up to X counters from target permanent. For each counter removed this way, this creature gets +1/+0 until end of turn. ({B/P} can be paid with either {B} or 2 life.)