Eden, Seat of the Sanctum is a uncommon Land — Town card from Final Fantasy (FIN), collector number 355. Current market price: $0.46 (foil $0.47), TCGplayer market prices via Scryfall.
{T}: Add {C}. {5}, {T}: Mill two cards. Then you may sacrifice this land. When you do, return another target permanent card from your graveyard to your hand.