Dream Trawler is a rare Creature — Sphinx card from Theros Beyond Death (THB), collector number 214. Current market price: $0.45 (foil $0.57), TCGplayer market prices via Scryfall.
Flying, lifelink Whenever you draw a card, this creature gets +1/+0 until end of turn. Whenever this creature attacks, draw a card. Discard a card: This creature gains hexproof until end of turn. Tap it.