Rejuvenation Chamber is a uncommon Artifact card from Nemesis (NEM), collector number 137. Current market price: $0.31 (foil $9.99), TCGplayer market prices via Scryfall.
Fading 2 (This artifact enters with two fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.) {T}: You gain 2 life.