Stalked Researcher is a common Creature — Human Wizard card from Duskmourn: House of Horror (DSK), collector number 73. Current market price: $0.10 (foil $0.11), TCGplayer market prices via Scryfall.
Defender Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, this creature can attack this turn as though it didn't have defender.