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COMMANDER(S)
The Ur-Dragon
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B G R U W
- Five-Color
Created by  Apresc14
Bracket
4.0 - 5.0
Bracket 3
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ANALYSIS

Overview:

This deck leverages The Ur-Dragon's eminence cost reduction and changeling creatures to create a tribal synergy engine. It aims to cheat out massive threats via attack triggers while utilizing flexible creature types for mana acceleration and value. The primary win conditions are combat damage through overwhelming board presence, triggered abilities (Call the Spirit Dragons), and explosive turns enabled by Maskwood Nexus turning all creatures into Dragons for Ur-Dragon's card advantage/cheat effects.

Primer:

Core Strategy:

  1. Early Game: Use changelings as mana dorks via Sliver/Giant/Elf synergies (Gemhide Sliver, Priest of Titania). Deploy Maskwood Nexus to enable tribal cross-pollination.
  2. Mid Game: Cast The Ur-Dragon with heavy cost reduction from eminence + Morophon. Attack with changelings to trigger Ur-Dragon's "draw & cheat" ability.
  3. Endgame: Overwhelm with indestructible boards (Sliver Hivelord + Dragon Tempest triggers) or alt-win via Call the Spirit Dragons counters. Mirror Entity enables lethal swings with accumulated mana.

Key Interactions:

  • Maskwood Nexus + Ur-Dragon = Every attack draws cards and cheats permanents
  • Morophon (set to Dragons) + Ur-Dragon = Dragons cost {6} less total
  • Priest of Titania + 8+ changelings = 9+ mana per tap
  • The World Tree enables 5C mana and instant-speed God deployment

Mulligan Priorities:

  • Keep hands with 3 lands including green sources
  • Prioritize Maskwood Nexus or 2-mana accelerants (Birds of Paradise)
  • Reject hands lacking tribal synergy pieces

Weaknesses:

Critical

  • No graveyard protection vs exile effects (Living Death/Ashcoat key)
  • Relies on 4+ creature types remaining uncontested (Artifact hate breaks Maskwood)

Moderate

  • Slow recovery from board wipes despite Heroic Intervention
  • Limited instant-speed interaction for combos

Minor

  • Blood Moon vulnerable manabase (12 nonbasic ETB tapped)
  • No life gain beyond incidental Treasure

Most Important Cards:

  • Maskwood Nexus
  • Morophon, the Boundless
  • Sliver Hivelord
  • Call the Spirit Dragons
  • Priest of Titania
  • Gemhide Sliver
  • The World Tree
  • Mirror Entity
  • Living Death
  • Pyre of Heroes

Attribute Ratings:

Speed: 5/10

  • Can deploy 7CMC Dragons by T4-5 but lacks T6+ kill potential without setup.

Resilience: 4/10

  • Minimal protection beyond Heroic Intervention; folds to focused removal.

Consistency: 6/10

  • 10+ tribal tutors (Pyre/Realmwalker) but scattered synergy targets.

Interaction: 3/10

  • Relies on Harmonic Sliver and Flame of Anor; no free counterspells.

Rating Justification:

Tribal synergy provides midrange power but lacks cEDH speed or resilience. Comparable to upgraded precons with explosive potential but inconsistent execution.

Power level: 4.0 - 5.0

DECK LIST
The Ur-Dragon
Creature: 49
($188.26)
1
Amoeboid Changeling
1 U
1
Ashcoat of the Shadow Swarm
3 B
1
Avian Changeling
2 W
1
Ayula, Queen Among Bears
1 G
1
Birds of Paradise
G
1
Breeches, Eager Pillager
2 R
1
Changeling Outcast
B
1
Cloudshredder Sliver
R W
1
Gemhide Sliver
1 G
1
Graveshifter
3 B
1
Greymond, Avacyn's Stalwart
2 W W
1
Haakon, Stromgald Scourge
1 B B
1
Harabaz Druid
1 G
1
Harmonic Sliver
1 G W
1
Hellkite Courser
4 R R
1
Herald of Hoofbeats
3 U
1
Impostor of the Sixth Pride
1 W
1
Ingenious Infiltrator
2 U B
1
Irregular Cohort
2 W W
1
Kibo, Uktabi Prince
2 G
1
Magda, Brazen Outlaw
1 R
1
Manaweft Sliver
1 G
1
Masked Vandal
1 G
1
Mirror Entity
2 W
1
Mistwalker
2 U
1
Morophon, the Boundless
7
1
Mothdust Changeling
U
1
Priest of Titania
1 G
1
Realmwalker
2 G
1
Risen Reef
1 G U
1
Rivaz of the Claw
1 B R
1
Sauron, the Dark Lord
3 U B R
1
Shapesharer
1 U
1
Skeletal Changeling
1 B
1
Sliver Hivelord
W U B R G
1
Spellstutter Sprite
1 U
1
Sylvia Brightspear
2 W
1
Taurean Mauler
2 R
1
Three Tree Mascot
2
1
Thundercloud Shaman
3 R R
1
Tiamat
2 W U B R G
1
Titan of Littjara
4 U U
1
Tovolar, Dire Overlord // Tovolar, the Midnight Scourge
1 R G
1
Universal Automaton
1
1
Unsettled Mariner
W U
1
Valiant Changeling
5 W W
1
Voja, Jaws of the Conclave
2 R G W
1
Woodland Changeling
1 G
1
Yuriko, the Tiger's Shadow
1 U B
Artifact: 4
($3.51)
1
Arcane Signet
2
1
Maskwood Nexus
4
1
Pyre of Heroes
2
1
Sol Ring
1
Enchantment: 4
($28.53)
1
Black Market Connections
2 B
1
Call the Spirit Dragons
W U B R G
1
Dragon Tempest
1 R
1
Kindred Discovery
3 U U
Instant: 3
($14.26)
1
Crib Swap
2 W
1
Flame of Anor
1 U R
1
Heroic Intervention
1 G
Sorcery: 4
($10.37)
1
Living Death
3 B B
1
Nature's Lore
1 G
1
Three Visits
1 G
1
Widespread Brutality
1 B R R
Land: 35
($237.3)
1
Ancient Amphitheater
1
Auntie's Hovel
1
Bloodstained Mire
1
Breeding Pool
1
City of Brass
1
Command Tower
1
Exotic Orchard
1
Flamekin Village
1
Flooded Strand
1
Forest
1
Fortified Beachhead
1
Gallifrey Council Chamber
1
Gilt-Leaf Palace
1
Island
1
Ketria Triome
1
Mana Confluence
1
Mountain
1
Murmuring Bosk
1
Mutavault
1
Path of Ancestry
1
Polluted Delta
1
Raugrin Triome
1
Reflecting Pool
1
Sacred Foundry
1
Secluded Glen
1
Stomping Ground
1
Swamp
1
Swarmyard
1
Temple Garden
1
The World Tree
1
Verdant Catacombs
1
Wanderwine Hub
1
Windswept Heath
1
Wooded Foothills
1
Zagoth Triome

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