Wall of Bone is a uncommon Creature — Skeleton Wall card from Seventh Edition (7ED), collector number 169★. Current market price: — (foil $3.60), TCGplayer market prices via Scryfall.
Defender (This creature can't attack.) {B}: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)