Accursed Duneyard is a rare Land card from Aetherdrift Commander (DRC), collector number 20. Current market price: $0.47, TCGplayer market prices via Scryfall.
{T}: Add {C}. {2}, {T}: Regenerate target Shade, Skeleton, Specter, Spirit, Vampire, Wraith, or Zombie. (The next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)