Demon Wall is a uncommon Artifact Creature — Demon Wall card from Final Fantasy (FIN), collector number 97. Current market price: $0.23 (foil $0.25), TCGplayer market prices via Scryfall.
Defender Menace (This creature can't be blocked except by two or more creatures.) As long as this creature has a counter on it, it can attack as though it didn't have defender. {5}{B}: Put two +1/+1 counters on this creature.