WUBRGLANDFILLERBuild →
The Ur-Dragon

Commander mana base guide

The Ur-Dragon Mana Base

Optimal land base for The Ur-Dragon — 36–38 lands, black / green / red / blue / white color requirements, and budget builds from $50 to $500+.

black / green / red / blue / white

A starting mana base for The Ur-Dragon is a 36–38-land build tuned to its black / green / red / blue / white color identity and its tribal / ramp / value game plan. The Ur-Dragon is a tribal deck that rewards a critical mass of one creature type, so its manabase leans toward a balanced mix of untapped fixing plus tapped lands that earn their slot with late-game upside. Choose a $50, $100, $250, or $500 budget below to generate a land list. This guide covers priority land picks, color-source math, and a free builder that generates the full list with TCGplayer checkout.

Build a The Ur-Dragon mana baseJump to budget tiers

Karsten math

Color requirements

Frank Karsten's source counts for a 37-land deck, by color.

8

black sources

8

green sources

8

red sources

8

blue sources

8

white sources

Never skip

Priority lands for The Ur-Dragon

Candidates to evaluate against your budget and the rest of your deck.

  1. 01Cavern of Souls
    tribal_protection
  2. 02Path of Ancestry
    tribal_scry
  3. 03Unclaimed Territory
    tribal_fixing
  4. 04Haven of the Spirit Dragon
    tribal_recursion
  5. 05Crucible of the Spirit Dragon
    ramp
  6. 06Reflecting Pool
    5c_fixing
  7. 07Mana Confluence
    5c_fixing

Choose your tier

The Ur-Dragon manabase by budget

How to build a The Ur-Dragon land base at each popular price point. Click a tier to open the builder pre-loaded with the commander and budget.

Solver reasoning

Why these lands

  • ◆We have a hand-tuned profile for The Ur-Dragon.
  • ◆Detected primary archetype: Tribal.
  • ◆Secondary themes: Ramp, Value/Midrange.

Community

Sample The Ur-Dragon builds

Recorded builds with their actual land lists. Prices reflect when each build was saved; open the builder for current recommendations.

  • $660 · Bracket 2$451.71

    /b/7d40f8c3

    View 37 lands
    • 1 Cavern of Souls
    • 1 Command Tower
    • 1 Cabal Coffers
    • 1 Urborg, Tomb of Yawgmoth
    • 1 Path of Ancestry
    • 1 Unclaimed Territory
    • 1 Exotic Orchard
    • 1 Haven of the Spirit Dragon
    • 1 Reflecting Pool
    • 1 Nykthos, Shrine to Nyx
    • 1 Secluded Courtyard
    • 1 Mutavault
    • 1 Auntie's Hovel
    • 1 City of Brass
    • 1 Misty Rainforest
    • 1 Hallowed Fountain
    • 1 Watery Grave
    • 1 Stomping Ground
    • 1 Temple Garden
    • 1 Steam Vents
    • 1 Overgrown Tomb
    • 1 Breeding Pool
    • 1 Raugrin Triome
    • 1 Dryad Arbor
    • 1 Island
    • 1 Forest
    • 1 Flooded Strand
    • 1 Sacred Foundry
    • 1 Plains
    • 1 Snow-Covered Plains
    • 1 Snow-Covered Island
    • 1 Snow-Covered Forest
    • 1 Fabled Passage
    • 3 Swamp
    • 1 Mountain
    Customize this commander and budget →
  • $300 · Bracket 3$284.88

    /b/3cf8db4c

    View 37 lands
    • 1 Cavern of Souls
    • 1 Cabal Coffers
    • 1 Path of Ancestry
    • 1 Unclaimed Territory
    • 1 Haven of the Spirit Dragon
    • 1 Reflecting Pool
    • 1 Secluded Courtyard
    • 1 Mana Confluence
    • 1 Crucible of the Spirit Dragon
    • 1 Mystic Sanctuary
    • 1 Mutavault
    • 1 Auntie's Hovel
    • 1 Wirewood Lodge
    • 1 Command Tower
    • 1 Exotic Orchard
    • 1 Fabled Passage
    • 1 City of Brass
    • 1 Pillar of the Paruns
    • 1 Ancient Ziggurat
    • 1 Graven Cairns
    • 1 Flooded Grove
    • 1 Mystic Gate
    • 1 Fetid Heath
    • 1 Twilight Mire
    • 1 Cascade Bluffs
    • 1 Rugged Prairie
    • 1 Waterlogged Grove
    • 1 Aether Hub
    • 1 Evolving Wilds
    • 1 Terramorphic Expanse
    • 2 Plains
    • 2 Swamp
    • 2 Forest
    • 1 Mountain
    Customize this commander and budget →

Method

How to build a mana base for The Ur-Dragon

  1. 01Set land count to 36–38. The Ur-Dragon is a tribal deck that rewards a critical mass of one creature type and needs that count to reliably hit drops.
  2. 02Cover color requirements. For a 37-land black / green / red / blue / white build, 8 black, 8 green, 8 red, 8 blue, 8 white sources — Frank Karsten's manabase math for a 100-card singleton.
  3. 03Slot priority lands first — Cavern of Souls, Path of Ancestry, Unclaimed Territory, Haven of the Spirit Dragon, Crucible of the Spirit Dragon, Reflecting Pool, Mana Confluence. These earn their spot regardless of budget.
  4. 04Fill by budget: $50 = check + pain lands, $100 = add selective shocks, $250 = fetches, $500+ = original duals.
  5. 05Verify by running landfiller — the solver returns the exact list at your budget with a one-click TCGplayer cart.

Questions & Answers

FAQ

How many lands should a The Ur-Dragon deck run?

A starting point for The Ur-Dragon is 36–38 lands. As a tribal deck that rewards a critical mass of one creature type, it leans toward a balanced mix of tapped and untapped lands, with tapped lands earning their slot through late-game upside. Adjust the count for your actual curve, ramp, draw, and playtesting. The builder supports 30–42 lands.

What is the best mana base for The Ur-Dragon?

The best mana base for The Ur-Dragon starts with these priority lands: Cavern of Souls, Path of Ancestry, Unclaimed Territory, Haven of the Spirit Dragon, Crucible of the Spirit Dragon, Reflecting Pool, Mana Confluence. Fill the rest of the black / green / red / blue / white land base with untapped duals matching your budget — pain lands and check lands at $100, shocks + a few fetches at $250, and original duals at $500+. Always leave 1–2 utility land slots for the tribal plan.

What is the best land base for The Ur-Dragon on a budget?

A budget The Ur-Dragon land base can start with basic lands and affordable fixing that fits the black / green / red / blue / white identity. Evaluate utility lands against the colors your deck needs. Use the $50 budget preset to see which cards fit current prices. Casting consistency depends on your full deck; no fixed percentage is guaranteed.

How much does a The Ur-Dragon manabase cost?

Choose a land budget from $20 upward. The builder recommends specific lands using available card prices and reports the total. Start with $50 or $100, then compare the land changes before spending more.

Does The Ur-Dragon need fetch lands?

The Ur-Dragon works fine without fetch lands. Compare fetches with affordable fixing and consider whether your deck has suitable fetch targets or land-entry synergies. Their value depends on the complete list, not a fixed budget threshold.

What color identity does The Ur-Dragon have?

The Ur-Dragon is a black / green / red / blue / white Commander (color identity: B, G, R, U, W). This determines the entire land base — every non-basic must fit inside this identity. For a 37-land deck, The Ur-Dragon needs 8 black sources, 8 green sources, 8 red sources, 8 blue sources, 8 white sources as starting source-count targets. Paste your decklist into the builder to account for its colored mana requirements.

Keep browsing

Related commander mana base guides

Atraxa, Praetors' VoiceEdgar MarkovKorvold, Fae-Cursed KingYuriko, the Tiger's ShadowKrenko, Mob BossAesi, Tyrant of Gyre StraitTatyova, Benthic DruidLord WindgraceMuldrotha, the GravetideMeren of Clan Nel TothKarador, Ghost ChieftainTalrand, Sky Summoner
Build it now — set your budget →