Eden, Seat of the Sanctum is a uncommon Land — Town card from Final Fantasy (FIN), collector number 277. Current market price: $0.27 (foil $0.29), 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.