Overview:

This Miirym Dragon tribal deck leverages the commander's token-copying ability to exponentially multiply Dragon ETB effects and combat power. The strategy focuses on ramping into Miirym, deploying high-impact Dragons to generate overwhelming value through token copies, and winning via combat damage amplified by synergies like Terror of the Peaks, Scourge of Valkas, and Lathliss, Dragon Queen. Secondary win conditions include treasure-based mana acceleration into game-ending spells and ETB damage loops. Miirym is essential as the core engine, enabling explosive turns but making the deck highly vulnerable to removal targeting it or the token copies.

Primer:

Core Strategy Execution:

1. Early Setup (Turns 1-3): Prioritize ramp (Sol Ring, Birds of Paradise, Nature's Lore, Three Visits) and cost reducers (Urza's Incubator, Herald's Horn). Deploy card advantage engines like Rhystic Study or Temur Ascendancy.
2. Commander Deployment (Turns 4-6): Cast Miirym with protection (Lightning Greaves, Heroic Intervention). Use Cavern of Souls, Unclaimed Territory, or Secluded Courtyard to ensure it resolves.
3. Dragon Value Engine (Turns 5-7): Play Dragons to trigger Miirym's copy effect. Prioritize:
   • Treasure Generators: Goldspan Dragon, Old Gnawbone, Ganax, Astral Hunter for mana acceleration.
   • Damage Synergies: Terror of the Peaks, Scourge of Valkas, Dragon Tempest for direct damage.
   • Token Amplifiers: Lathliss, Dragon Queen, Utvara Hellkite for exponential board growth.
4. Win Condition Execution:
   • Combat: Overwhelm with flying Dragons boosted by Atarka, World Render (double strike) or Twinflame Tyrant (double damage).
   • ETB Damage Loops: Copy Terror of the Peaks or Scourge of Valkas with Miirym to deal massive damage per Dragon entering.
   • Treasure Payoffs: Use infinite mana from Old Gnawbone + Aggravated Assault (not in list but implied) or Goldspan Dragon to cast Rite of Replication on a key Dragon or Blasphemous Act to clear boards.

Mulligan Priorities:

• Keep hands with 2-3 lands (including color fixing), at least one ramp spell, and Miirym protection/cost reduction.
• Prioritize hands with early card draw (Rhystic Study, Temur Ascendancy) or a Dragon that enables recovery if Miirym is countered (e.g., Korlessa, Scale Singer).
• Avoid hands lacking green sources or with only high-CMC Dragons.

Key Tips:

• Protect Miirym: Equip Lightning Greaves immediately. Hold free counterspells (Fierce Guardianship, Deflecting Swat) for removal targeting Miirym or key Dragons.
• Sequence Dragons: Play damage-dealers (Terror, Scourge) before token generators (Utvara, Lathliss) to maximize triggers.
• Leverage Treasures: Use treasures from Ganax/Goldspan/Old Gnawbone to cast multiple Dragons per turn or fuel Cyclonic Rift/Blasphemous Act.
• Combo Potential: Astral Dragon copying Dragon Tempest creates an instant-speed damage loop with Miirym tokens.

Weaknesses:

Critical

• Extreme vulnerability to board wipes (e.g., Damnation, Farewell), which reset the entire token-based strategy with minimal recovery.
• Commander dependency: Removing Miirym repeatedly cripples the deck's engine due to high recast cost (up to {9}{G}{U}{R}).
• Anti-token hate (Torpor Orb, Hushbringer) nullifies Miirym's ability and ETB damage synergies.

Moderate

• Graveyard hate (Rest in Peace, Leyline of the Void) disrupts recursion like Regrowth and Haven of the Spirit Dragon.
• Stack interaction counters key Dragons or Miirym, especially without free protection spells available.
• Artifact destruction targets critical ramp (Urza's Incubator, Herald's Horn) and protection (Lightning Greaves).

Minor

• Land destruction can slow mana-fixing due to reliance on non-basics like triomes.
• Single-target removal on support creatures (e.g., Birds of Paradise) delays setup but is less impactful than board wipes.

Most Important Cards:

• Terror of the Peaks (Primary win condition via ETB damage)
• Urza's Incubator (Essential cost reduction for Dragons)
• Scourge of Valkas (Secondary ETB damage win condition)
• Old Gnawbone (Treasure generation for explosive turns)
• Goldspan Dragon (Mana acceleration and protection)
• Lathliss, Dragon Queen (Token amplifier for combat wins)
• Cyclonic Rift (Board reset enabling alpha strikes)
• Fierce Guardianship (Free protection for Miirym/key spells)
• Rhystic Study (Critical early card advantage)
• Cavern of Souls (Ensures Miirym/Dragons resolve uncountered)

Attribute Ratings:

Speed: 7/10

• Can threaten wins as early as T5-T6 with ideal ramp into Miirym + high-impact Dragons (e.g., Terror of the Peaks), but typically operates in T6-T8 due to setup requirements.

Resilience: 5/10

• Free interaction and recursion provide recovery tools, but heavy reliance on Miirym and tokens makes the deck fold to repeated wipes or commander removal. Limited answers to enchantment-based hate.

Consistency: 7/10

• Strong ramp package, cost reducers, and card draw (Rhystic, Temur Ascendancy) ensure access to Dragons. Lacks tutors for specific combo pieces, relying on redundancy of Dragon effects.

Interaction: 6/10

• Efficient counterspells (Mana Drain, Fierce Guardianship) and targeted removal (Beast Within, Rapid Hybridization), but minimal stack interaction beyond counters and no permanent-based stax.

Rating Justification:

The deck achieves T6-T8 wins through explosive Dragon deployments and ETB damage loops, aligning with the "Focused" tier (6.0-6.5). However, its vulnerability to board wipes and commander-targeted disruption prevents higher resilience scores, capping its ceiling below optimized competitive levels.

Power level: 6.0 - 6.5