Fateseal | MTG Deck Converter for Tabletop Simulator

What is Fateseal?

Fateseal is a specialized tool designed for Magic: The Gathering players who want to test their decks on Tabletop Simulator. It converts standard deck lists into a format that Tabletop Simulator can understand, making it easy to playtest Commander/EDH decks online with friends.

How does it work?

Simply paste your decklist in MTGO format (with optional set names and collector numbers), and Fateseal will generate a JSON file that you can import directly into Tabletop Simulator. The tool automatically handles double-faced cards, tokens, and other special card types, ensuring your deck appears exactly as intended in-game.

Who is this tool for?

Fateseal is perfect for:

Commander/EDH players who want to test decks before buying
Playgroups who want to play Magic remotely
Deck builders who want to quickly prototype and test new ideas
Players who want to try out expensive cards or combinations before investing

What features does Fateseal offer?

Support for all Commander-legal cards
Automatic token handling
Double-faced card support
Custom card back support
Custom commander image support
Fuzzy card name matching for typos
Set-specific card art selection

What deck format should I use?

Fateseal accepts decklists in MTGO format. Each line should follow this pattern:

1 Card Name
1 Card Name (SET) 123
1 Card Name (SET) 123 *F*

Where SET is the three-letter set code and 123 is the collector number. The *F* suffix indicates foil cards (optional).

Where do I put my deck?

After converting your deck, you'll get a JSON file. Save it to your Tabletop Simulator saves folder:

Windows: Documents\My Games\Tabletop Simulator\Saves\Saved Objects
macOS: ~/Library/Tabletop Simulator/Saves/Saved Objects

To load the deck in-game: