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Free MTG Deck Legality Checker

Paste your decklist and instantly check banned cards, restricted cards, format legality, deck size, and Commander rules.

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Deck Analyzer

Supports Moxfield, Archidekt, MTGGoldfish & plain text

Supports quantities, sideboard lines, commander sections, and plain text imports. Moxfield/MTGGoldfish: export as text and paste.

Quick Stats
Cards Parsed
0
Format
Commander
Issues
—
Status
Waiting

Supported Formats

Pick a format and paste your list — we validate against live Scryfall legality data.

shield

Commander

100-card singleton with color identity checks.

Check this format →
bolt

Modern

8th Edition forward. Competitive constructed.

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auto_awesome

Standard

Rotating sets. Current meta format.

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explore

Pioneer

Return to Ravnica onward.

Check this format →
savings

Pauper

Commons only. Budget powerhouse format.

Check this format →
history_edu

Legacy

Nearly all cards ever printed.

Check this format →
diamond

Vintage

Restricted list for power cards.

Check this format →

How It Works

1
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Paste your decklist

Copy exported text from Moxfield or MTGGoldfish and paste it here.

2
tune

Choose a format

Select Commander, Modern, Pauper, or any supported format.

3
document_scanner

Get instant results

See banned cards, size issues, and legality warnings in seconds.

FAQ

Is DeckLegal free to use?
Yes — 100% free, no account required. Paste your deck and check instantly.
What decklist formats are supported?
Plain text (1x Card Name), Moxfield/MTGGoldfish text exports, sideboard headers (SB:), and Commander sections. URL import is not supported — paste exported text.
Where does legality data come from?
We use Scryfall's live legality fields, updated when official ban announcements are reflected.
How many cards can I play in Commander?
Exactly 100 cards including your commander(s). Singleton rule applies except basic lands.