Guide
A deck is a focused, single-game build: the cards you actually play, kept separate from the rest of your collecting life. Here is how to build one and share it.

Decks get their own space, separate from your want and trade lists. A deck is single-game by design, so everything in it belongs to one trading card game, like the Godzilla Card Game or the Gundam Card Game, which keeps your builds clean and easy to read.
Fill the deck straight from the catalogue with the exact cards and variants you play. Adding cards to a deck never changes your collection counts, so you can plan builds freely without touching your inventory.
Duplicate a deck in one tap and you have a sandbox. Swap a few cards in the copy, keep the original untouched, and compare the two builds side by side. It is the fastest way to try a tech choice or a different curve before you commit, and every variant keeps its own notes and its own shareable link.
Make the deck public and share it with a single read-only link. Teammates and opponents can browse your list but cannot change it, so it is a clean way to post a decklist anywhere. Add a description and notes to the deck, what it is strong against, the line you like to play, even the events you have won with it, and they show on the shared page for anyone you send it to.
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