Memory Discs can be used to change Silvally into its different types.
How to find them
They can be obtained randomly by playing the Concentration Game on any difficulty once you have completed your Alola Dex. If you happen obtain a Memory Disc from playing, then its type will be random. There is a daily max limit of one Memory Disc that you can obtain from playing.
How to use them
- You may give a Memory Disc to Silvally as a held item from its Summary Page, or from your Item Bag to change its type. Silvally can freely change its type at any time by letting it hold different Memory Discs.
- Memory Discs are tradeable