Build your next Commander deck.

Choose your commander, build your list, and check your mana, combos, and consistency in one place.

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From a commander to your next build

Follow one Dragon deck through the workspace. This is an illustrated preview, not a live editor.

Choose a commanderStart with the card you want to build around.
Find and add cardsSearch for cards that support your plan.
Refine your listKeep your deck and possible swaps organized.
Check your buildUse Analyze, Improve, and Playtest in the same workspace.
Save and returnTurn a guest draft into a deck you can come back to.

The Ur-Dragon

Commander · Dragon deck

Illustrated workflow

Choose a commander

The Ur-Dragon leads this example. Its five-color identity leaves room for Dragons from every color. In the editor, search for a commander and choose it before adding the rest of your list.

The Ur-DragonCommander · Dragon AvatarWhite, blue, black, red, green

Check your build

Check mana and deck foundations in Analyze. Explore combos through Tools, compare suggestions in Improve, and try sample hands in Playtest. This example’s low interaction count is a reason to consider a few more answers.

Lands: 3735–40 suggested
Ramp: 128–12 suggested
Card draw: 108–12 suggested
Interaction: 2Needs review

Illustrative counts from the homepage example. Targets vary by deck.

See the Dragon example’s combo

Savage Ventmaw + Aggravated Assault

Setup: Both permanents in play. Ventmaw must be able to attack and survive combat.

Attack with Ventmaw to add six mana.
In the following main phase, spend five on Aggravated Assault to untap your creatures and gain another combat.
Repeat while Ventmaw can keep attacking safely.

Result: repeatable combat phases and one extra mana per loop.

View combo on Commander Spellbook

Build, understand, and improve in one place

A Commander deck builder that keeps the next decision close to your list.

Find cards for your plan

Choose a commander, search for cards, and add them to your list. Keep promising alternatives in Maybeboard while you decide what earns a slot.

See what your deck needs

Review mana and deck foundations alongside the cards you chose. Explore combos and compare suggestions before making your next change.

Try the hands you could draw

Use Playtest to sample opening hands and explore consistency. Return to Deck to adjust your list, then test again.

Find an idea for your next deck

Start with the Dragon example above, or browse public builds for a different direction.

Explore public decks

The Ur-Dragon

Dragons, five colors, and room to refine your answers.

Review the illustrated deckbuilding workflow

Keep building when you come back.

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Create a deck

Build your next Commander deck.

From a commander to your next build

Choose a commander

Build, understand, and improve in one place

Find cards for your plan

See what your deck needs

Try the hands you could draw

Find an idea for your next deck

The Ur-Dragon

Keep building when you come back.

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