Only Master Seal x99 of Fire Emblem Shadow Dragon Cheat Codes?

In "Fire Emblem: Shadow Dragon," you can use cheat codes to obtain 99 Master Seals. For the NES version, use the Game Genie code "SXZVZGVK" to grant yourself unlimited Master Seals. In the remake, you can use Action Replay or similar devices to enter codes that allow you to acquire the desired quantity. Always remember to back up your game before using any cheats to prevent potential data loss.