Gallia, Tragic Host is a uncommon Legendary Creature — Zombie Satyr card from Reality Fracture (FRA), collector number 228. Current market price: $0.13 (foil $0.23), TCGplayer market prices via Scryfall.
Menace (This creature can't be blocked except by two or more creatures.) {4}{B}, Exile another creature card from your graveyard: Return this card from your graveyard to the battlefield tapped with a +1/+1 counter on her.