Inkfathom Witch is a uncommon Creature — Merfolk Wizard card from Shadowmoor (SHM), collector number 168. Current market price: $0.12 (foil $5.20), TCGplayer market prices via Scryfall.
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) {2}{U}{B}: Each unblocked creature has base power and toughness 4/1 until end of turn.