Privacy policy
How CyScry handles information when you use the deck builder and collection manager.
Last updated September 26, 2026
Information we collect
When you sign in with Google, CyScry receives your Google account name, email address, Google subject ID (a stable account identifier), and profile image URL. We store your collection entries and decks so you can use them in CyScry. This data is stored in a PostgreSQL database hosted by Neon. The application is hosted on Vercel.
How information is used
Account information is used to authenticate you and associate your collection and decks with your account. Collection and deck data is used to provide the service. Card information is obtained from Scryfall.
If you choose to use the deck assistant, the prompt and relevant deck context you provide are sent to OpenAI for processing to generate a response. Do not include sensitive personal information in a prompt.
Cookies and tracking
CyScry uses a session cookie to keep you signed in. We do not use advertising trackers or ad-targeting cookies.
Shopping links
Links to TCGplayer may be affiliate links. If you make a purchase through one of these links, CyScry may earn a commission at no additional cost to you.
Retention and deletion
Your account, collection, and deck data is retained to provide the service. You may request deletion of your data by emailing frankie.martinez@gmail.com.
Contact
Questions or deletion requests: frankie.martinez@gmail.com.