⚖ IUDEX ARCANUM
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AI deck builder

An AI MTG deck builder that hands you a legal, ready list

Describe the format, colors, budget, and playstyle you want — or build from your saved collection — and IUDEX ARCANUM returns a complete, format-legal Magic: The Gathering decklist with a strategy, a mana base, and a sideboard. Then load the whole thing into a cart to buy.

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No app store. No subscription. Free game tracking with no sign-up.

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From idea to decklist

Mono-Red aggro on a budget? Simic ramp for Commander? Describe it and get a full 60- or 100-card list.

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Use your collection

Paste or sync your cards and it builds primarily from what you already own.

Format-legal

Commander/EDH, Standard, Pioneer, Modern, Legacy, and Pauper — it respects the format and color identity.

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Buy in one click

A "Buy this deck on TCGplayer" button loads the entire list into a cart.

📲 Works at the table on web or iPhone. On iPhone: open in Safari → Share → Add to Home Screen. On Android: Chrome → menu → Install app.
▶ Try the deck builder
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