| Series | Cycle | Players | Date |
| Sword & Shield Prerelease: Shadyside Sword & Shield PreRelease! | 2020 | Sanctioned | January 29, 2020 |
| Cosmic Eclipse Prerelease: Shadyside Cosmic Eclipse PreRelease! | 2020 | 35 | October 23, 2019 |
| Unified Minds Prerelease: Shadyside Unified Minds PreRelease! | 2020 | 33 | July 24, 2019 |
| Unbroken Bonds Prerelease: Shadyside Unbroken Bonds PreRelease! | 2019 | 26 | April 24, 2019 |
| Team Up Prerelease: Shadyside Team Up PreRelease! | 2019 | 29 | January 23, 2019 |
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