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About Grimoire
Your cards, your decks, in one place.
Grimoire is a Magic: The Gathering collection manager and deck builder. Catalogue the cards you own, see what they're worth, and build Commander decks from your own shelf with the Familiar, your companion for building decks.
What we hold ourselves to
Three rules
Your collection comes first
Grimoire starts from the cards you own. Decks show how close they are to built and what's missing; value is one lens on your collection, not the point of it.
The Familiar suggests; the record decides
The Familiar proposes, explains and waits for your say-so. What you own, whether a card is legal and your deck's bracket come from the card data, not from its opinion.
Honest about where it is
Grimoire is live on the web and on iPhone, and Android is in the works. When something isn't finished we say so, and we don't put a date or a number on the page that we can't stand behind.
Get in touch
Talk to us
Found something broken, or want something built? There's a feedback button on every screen of the app. Otherwise:
Comparing tools? Grimoire vs Moxfield · Grimoire vs Archidekt · Terms and privacy
Free to start
Start from the cards you own.
Put in your collection, pick a commander, and build the rest with the Familiar. Free to start, no card needed.