When you play any of the two Oracle games on a Game Boy Advance there will a special shop in Lynna Village called the Advance Shop or 100 Rupee Advance Shop. All the items on sale cost 100 rupees: a Gasha Seed, a Magic Ring and an Advance Ring. In Ages, it's adjacent to the Shooting Gallery and in Seasons to the Know-It-All Birds Hut. However, it's not available in the 3DS Virtual Console version since it runs on the Game Boy emulator. The shop is run by Stockwell, who is amazed you found the place.