Ghastlord of Fugue is a rare Creature — Spirit Avatar card from Shadowmoor (SHM), collector number 162. Current market price: $1.37 (foil $13.29), TCGplayer market prices via Scryfall.
This creature can't be blocked. Whenever this creature deals combat damage to a player, that player reveals their hand. You choose a card from it. That player exiles that card.