Guide
If your collection is what you own, your lists are everything else worth keeping track of: what you are chasing, what you would part with, and what you are building. Here is how lists work, what each type is for, and why a few of them play by stricter rules.
This is the one distinction worth internalising. Your collection is a record of cards you have. A list is a record of cards you mean something by: cards you want, cards you would sell, cards that make up a deck. Adding a card to a list never changes your collection counts, and removing it from a list never removes it from your collection. A card can sit on as many lists as you like, and most lists happily hold cards you do not own at all.
Every list has a type, and the type is what gives it meaning to anyone reading it. A Want list is what you are chasing. A For sale list is what someone can buy from you. A Trade away list is what you would swap. A Deck is a build for one game. An Other list is for everything that does not fit those, like a set you are slowly completing or cards you are keeping an eye on. Each type carries its own colour and icon so a list is recognisable at a glance, and apart from decks, lists can span every game you collect.
For sale and Trade away lists are the two types other collectors act on, so they play by a stricter rule: they only hold cards that are in your collection. That is a feature, not a restriction. It means anyone browsing your sale or trade list can assume every card on it is genuinely available, which is exactly what makes those lists worth sending to a trading partner. In practice it means one extra step: add the card to your collection first, and it immediately becomes eligible. When you pick cards for one of these lists you are choosing from the copies you actually own, so you can offer a specific graded or serialised copy rather than a vague card name. Read how to build a sale or trade list.
A deck is a build you actually play, so it stays inside a single trading card game. Once a deck holds cards from one game, a card from another game cannot join it: that keeps decklists readable, shareable and meaningful to opponents and teammates. If you want a cross-game list for any other reason, that is what the other list types are for. Read how to build a deck.
Any list can be made public and shared with a single read-only link. Whoever opens it can browse every card, and change nothing. That is what turns a want list into a shopping brief for your trading partners, a sale list into a storefront, and a deck into a decklist you can post anywhere. Public lists can also appear on your collector profile, so one link shows everything you want and everything you are moving. Sharing is free.
Lists are cheap to fork, which makes them good for experimenting. You can duplicate one of your own lists in a tap, serial numbers included, which is the fastest way to clone a deck and test a few swaps without touching the original. You can also copy another collector's public list straight into your account and make it your own starting point. When you copy, you choose the type the copy should be: a copy of someone else's list can be a Wishlist, a Deck or an Other list, but not a for-sale or trade list, because ownership does not transfer with a copy. Any list can be renamed at any time, and copies always ask you to name them.
Delete a list from its Edit screen, or by swiping its row to the left in the app. Only the list goes: your cards are untouched, and anything you own stays exactly where it is in your collections. If the list was shared, its link stops working and it disappears from your collector profile. We confirm first, and it cannot be undone, though nothing stops you building a similar list again.
A free account keeps up to three lists, with public sharing included. Premium removes the cap, so you can keep a list per game, per trade partner or per deck idea, and it adds an Est. Value total to each list: what your want list would cost to complete, or what your sale list is worth at current market value. See Premium.
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