Overview:

This Thrasios/Tymna deck is a high-octane cEDH list focused on assembling fast, protected combo wins through Thassa's Oracle + Demonic Consultation/Tainted Pact, supported by infinite mana lines with Kinnan, Bonder Prodigy + Basalt Monolith. It leverages an extensive suite of free interaction, 15+ tutors, and premium fast mana to achieve extreme consistency and resilience. The deck operates at cEDH Tier 1 levels, threatening T1-T3 wins with backup stax elements like Opposition Agent to disrupt opponents.

Primer:

Core Strategy:
Execute a Thassa's Oracle combo as the primary win condition, supported by redundant tutors and free protection. Backup plans include generating infinite mana with Kinnan/Basalt Monolith to draw the deck via Thrasios. The deck uses Tymna for early card advantage and Thrasios as a mana sink/late-game engine.

Key Phases:

1. Turbo Setup: Deploy fast mana (Mox Diamond, Mana Vault) to enable T1-T2 tutors (Demonic Tutor, Vampiric Tutor) for combo pieces.
2. Protected Win Attempt: Cast Oracle + Consultation/Pact with free counterspell backup (Force of Will, Fierce Guardianship).
3. Stax Disruption: Leverage Opposition Agent + Archivist of Oghma to punish opponents' tutors/draws while assembling your win.
4. Infinite Mana Fallback: Activate Kinnan with Basalt Monolith to generate infinite mana, then draw the deck via Thrasios and win with Oracle or Walking Ballista (not listed but inferred via Finale of Devastation lines).

Mulligan Priorities:

• Keep hands with 1-2 mana sources + tutor/combo piece.
• Prioritize hands with free interaction (Force of Negation, Mental Misstep) if holding Oracle + Consultation.
• Mulligan away slow hands lacking acceleration or combo enablers.

Key Tips:

• Use Wishclaw Talisman politically to bait counters before fetching Oracle.
• Crop Rotation for Gaea's Cradle or Boseiju as needed.
• Seedborn Muse enables explosive turns with Thrasios activations.

Avoid Traps:

• Don’t expose Kinnan without protection; he’s critical for backup lines.
• Save Veil of Summer for critical Oracle casts vs. blue decks.

Weaknesses:

Critical: None
Moderate:

• Relies on resolving key noncreature spells (vulnerable to Defense Grid/Thalia, Guardian of Thraben).
• Limited basic lands (weak to Blood Moon/Back to Basics).
  Minor:
• Phage/Vorpal Sword are suboptimal inclusions but don’t cripple the strategy.

Most Important Cards:

• Thassa's Oracle
• Demonic Consultation
• Tainted Pact
• Survival of the Fittest
• Kinnan, Bonder Prodigy
• Basalt Monolith
• Opposition Agent
• Force of Will
• Fierce Guardianship
• Mana Vault

Attribute Ratings:

Speed: 9.5/10

• Capable of T1 wins (e.g., T1 Oracle + Consultation off Mox Diamond/Lotus Petal). Consistently threatens T2-T3 wins with protection.

Resilience: 9/10

• 12 free counterspells, 6+ protection effects (Grand Abolisher, Silence), and 15 tutors ensure recovery from disruption.

Consistency: 10/10

• 17 tutors, 4 combo lines (Oracle+Consultation, Oracle+Pact, Kinnan+Monolith, Survival chains), and 10+ draw engines enable near-guaranteed assembly.

Interaction: 9/10

• S-tier counterspells and targeted removal (Abrupt Decay, Swords to Plowshares), but lacks mass artifact/enchantment removal beyond Boseiju.

Rating Justification:

This deck meets cEDH Tier 1 benchmarks (rubric 9.5) through:

1. T1-T3 Win Speed: Faster than Tier 2 cEDH decks but slightly slower than Turbo Naus (Tier 0).
2. Near-Unbreakable Locks: Opposition Agent + tutor denial creates soft locks while assembling wins.
3. Meta Resilience: Broad answers to creature-based and spell-based strategies.

Power level: 9.5