
Friends
A good playgroup is worth remembering. Keep names, handles, and notes in your contact book; no invitations or messages are sent.
Find your company
Build and organize Magic: The Gathering decks, explore cards and Commander precons, and get optional on-device AI help. Deck Sage is free to use.
Enter your sanctumSign in and add cards to My Bulk, then find possible Commander deck cores using learned card relationships. Review owned-card coverage, legal command zones and missing cards before you choose a plan. Some proposals are incomplete; a filled list is not a promise of playability.
Find decks in My BulkScan card names on your device and try the optional AI Gameplay Coach on a compatible WebGPU browser. Card search, collection management and rules-based deck checks work alongside AI assistance; not every tool uses a language model.
Browse the public library without signing in. Sign in to manage your private decks and collection. Public guides never include your saved cards or account details.
Website tools are free to use. Physical cards cost money, and purchasing them is optional. Affiliate link — Deck Sage may earn a commission on qualifying purchases.
Explore the public Commander precons guideA deck to tend, a card to find, or a tale for the fireside?
Choose your errand; I shall point you to the right shelf.

Keep your decks in order, even when your schemes are not. Gather your Commander lists here, tend their cards, and ready your next plan for the table.
Enter your sanctum
Do not dismiss the cards sleeping in those boxes. Catalog your bulk, then discover the Commander decks your own cards could support.
Explore your bulk
The archives are at your disposal. Search card names, rules, colors, and more; let us find the missing spell your deck has been asking for.
Search the card library
Let the lens spare your quill. Stage up to 20 card photos for on-device card-name recognition, then review names and quantities before adding them to bulk.
Batch upload cards
Find the right home for a card in your collection, or prepare one of your decks for the commander waiting across the table.
Enter the Workshop
No shame in borrowing a well-stocked spellbook. Browse preconstructed Commander decklists, inspect their cards, and find a foundation for your own handiwork.
Explore the Precon Vault
A modest pair of cards can cause rather immodest trouble. Explore recorded Commander combos, their required pieces, and the steps that make them work.
Explore Commander combos
A new leader need not empty your coffers. Compare alternative commanders against your saved deck, and consider the possibilities before changing a single card.
Explore Commander SwapChoose your name and likeness, tend your account settings, and keep a backup of your collection. Even a careful mage keeps a spare copy.