Your decks

Paste your decklist to give Stack Master context for "my deck" questions.

Attached to this chat

Remembered

Tell Stack Master your house rules, like “I don't play Sol Ring”, and it keeps to them in every chat.

Attach a deck

Paste the text export from Moxfield, Archidekt, MTGGoldfish, or MTG Arena. Sections like Commander, Sideboard, and free-form category headers like Ramp / Interaction are recognised and become Moxfield categories on export.

Name (optional) Commander (only if the list has no Commander section) Decklist

This list has no Commander section (Moxfield's bulk edit leaves it out). Fill in the commander above so Stack Master and Goldfish know which card it is.

Stack Master

Magic: The Gathering rules assistant

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Rules & references

Official card text via Scryfall
Complex interaction walk-throughs
Linked citations to CR, IPG, MTR, and MTG Wiki
Agent looks up cards + rulings on demand

Decks

Paste a decklist or attach one from your library
Multiple decks per chat — pin reference lists alongside the one you're tuning
Bracket-aware advice (WotC's 1–5 system, Game Changer rules respected)

Built by the team at Aiqaramba.

Stack Master is unofficial Fan Content permitted under the Fan Content Policy. Not approved/endorsed by Wizards. Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC.

Comprehensive Rules browser — every release back to 2010, with per-rule history and release diffs.

Commander Matchmaker — swipe through legendary creatures until you meet your next commander.

Cutting Room — too many cards? Protect your lands, draw and interaction, then walk the deck from the most expensive card down and build your cut list.

Goldfish — play thousands of solo games with your deck to see how fast it casts your commander, and compare versions of the list.

Build 0.13.0-10-gd4501c8 (d4501c8)

Ask a Magic: The Gathering rules question.

Comprehensive Rules

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Lab Goldfish Cutting Room Override