Overview:

This is a highly optimized cEDH Kess, Dissident Mage deck focusing on fast combo wins through Thassa's Oracle consultation lines while maintaining strong interaction and ability to pivot between multiple win conditions.

Primer:

The deck operates as a turbo-consultation deck with multiple backup plans. The primary gameplan involves casting either Demonic Consultation or Tainted Pact with Thassa's Oracle to win instantly. Fast mana artifacts and rituals enable explosive early turns, while the commander provides card advantage and recursion potential. The deck runs a full suite of free countermagic and efficient interaction to protect its combos and disrupt opponents.

Alternative win conditions include storm lines utilizing Underworld Breach with Brain Freeze and Lion's Eye Diamond, or generating infinite mana through Dramatic Reversal and Isochron Scepter loops. The deck's high density of tutors, card selection, and fast mana allows for consistent early wins while maintaining protection.

Weaknesses:

• Vulnerable to graveyard hate, which can shut down Underworld Breach lines and Kess's ability
• Reliant on artifacts for fast mana, making it susceptible to stax pieces like Null Rod
• Can struggle against heavy permanent-based hate like Rule of Law effects
• Relatively low creature count makes it vulnerable to creature-based strategies if forced into a longer game

Most Important Cards:

1. Thassa's Oracle
2. Demonic Consultation
3. Tainted Pact
4. Underworld Breach
5. Lion's Eye Diamond
6. Ad Nauseam
7. Force of Will
8. Mana Crypt
9. Dark Ritual
10. Necropotence

Attribute Ratings:

• Speed: 9/10
• Resilience: 8/10
• Consistency: 9/10
• Interaction: 9/10

Rating Justification:

This deck consistently threatens wins by turn 2-3 with heavy protection, running the most efficient interaction and fast mana available in the format. The density of tutors, card selection, and multiple viable win conditions puts it firmly in cEDH territory. While not quite reaching the consistency of top-tier Flash Hulk era decks, it maintains the speed and interaction package necessary to compete at the highest levels of cEDH.

Final power level rating: 9.0 - 9.5

The deck exhibits all hallmarks of a competitive EDH deck: efficient mana base, dense interaction suite, compact win conditions, and multiple backup plans. The presence of cards like Force of Will, Pact of Negation, and Flusterstorm alongside fast mana and the most efficient tutors in the format clearly positions this as a high-tier cEDH deck.