This is a cEDH turbo/midrange combo deck in Grixis. Rograkh is a free colour-fixer that turns on Mox Amber, free-commander spells, Springleaf Drum and sacrifice outlets, while Silas Renn adds a third colour and some artifact recursion. The deck runs a dense package of fast mana, tutors and free interaction to assemble a compact win as early as possible, then protects it through the stack. Its main lines are Thassa's Oracle backed by a library exile and an Underworld Breach storm-mill loop, with draw engines and rituals giving it fuel to combo again after disruption. How it wins: It tutors up Thassa's Oracle with Demonic Consultation or Tainted Pact for an instant win, or loops Underworld Breach with Lotus Petal and Brain Freeze to mill every opponent out, all while holding up free counterspells. Key roles: - Oracle consultation: Exiling the library with an instant-speed effect while casting Thassa's Oracle wins immediately with almost no mana. Flash enablers let this happen on an opponent's turn. (Thassa's Oracle, Demonic Consultation, Tainted Pact) - Breach graveyard storm: Escape and graveyard-casting effects replay free mana artifacts and rituals to build storm. A storm mill spell can then deck the table or fill the yard for further loops, with magecraft treasures and the mill-untap station as extra fuel. (Underworld Breach, Brain Freeze, Lotus Petal) - Explosive fast mana: Zero-cost moxen, rituals, sacrifice outlets and creature-tap mana let the deck go off on turn one or two. Rograkh and Silas double as free bodies for Culling the Weak, Phyrexian Tower and Springleaf Drum, and Lion's Eye Diamond fuels discard-to-graveyard Breach turns. (Lion's Eye Diamond, Mox Amber, Dark Ritual) - Tutor suite: Many cheap tutors effectively make the combo pieces redundant. Bargain and theft tutors add extra angles, and the sac-tutor uses a commander as fodder. (Demonic Tutor, Vampiric Tutor, Beseech the Mirror) - Free stack interaction: Alternate-cost counters and redirection, many free when a commander is in play, protect the combo turn and stop opposing wins without spending mana. Split-second ability counters and the turn-ending spell add more layers of defence. (Force of Will, Fierce Guardianship, Deflecting Swat) - Card advantage and copy engines: Taxing draw enchantments and burst draw refuel the hand for repeated combo attempts. Copy-enchantments can duplicate the best artifact or engine, and Silas Renn's combat trigger offers slow artifact recursion in grindier games. (Rhystic Study, Necropotence, The One Ring)

Rograkh, Son of Rohgahh & Silas Renn, Seeker Adept decklist

• Arcane Signet
• Chrome Mox
• Fellwar Stone
• Grim Monolith
• Grinding Station
• Imposter Mech
• Lion's Eye Diamond
• Lotus Petal
• Mana Vault
• Mox Amber
• Mox Diamond
• Mox Opal
• Relic of Sauron
• Sol Ring
• Springleaf Drum
• Talisman of Dominance
• The One Ring
• Wishclaw Talisman
• Geist of Saint Thalia
• Hexing Squelcher
• Simian Spirit Guide
• Storm-Kiln Artist
• Subtlety
• Thassa's Oracle
• Wan Shi Tong, Librarian
• Copy Artifact
• Copy Enchantment
• Dress Down
• Mirrormade
• Mystic Remora
• Necropotence
• Rhystic Study
• Underworld Breach
• An Offer You Can't Refuse
• Borne Upon a Wind
• Brain Freeze
• Brainstorm
• Chain of Vapor
• Commandeer
• Culling the Weak
• Cyclonic Rift
• Dark Ritual
• Deflecting Swat
• Demonic Consultation
• Discontinuity
• Dramatic Reversal
• Fierce Guardianship
• Final Fortune
• Flare of Duplication
• Flusterstorm
• Force of Negation
• Force of Will
• Lim-Dûl's Vault
• Mental Misstep
• Mindbreak Trap
• Misdirection
• Mystical Tutor
• Narset's Reversal
• Pact of Negation
• Sink into Stupor
• Stifle
• Tainted Pact
• Trickbind
• Vampiric Tutor
• Ancient Tomb
• Arid Mesa
• Badlands
• Blood Crypt
• Bloodstained Mire
• City of Brass
• City of Traitors
• Command Tower
• Flooded Strand
• Gemstone Caverns
• Mana Confluence
• Marsh Flats
• Misty Rainforest
• Otawara, Soaring City
• Phyrexian Tower
• Polluted Delta
• Reliquary Tower
• Scalding Tarn
• Steam Vents
• Underground Sea
• Verdant Catacombs
• Volcanic Island
• Watery Grave
• Beseech the Mirror
• Demonic Tutor
• Diabolic Intent
• Gamble
• Gitaxian Probe
• Imperial Seal
• Mnemonic Betrayal
• Praetor's Grasp
• Rite of Flame
• Strike It Rich
• Yawgmoth's Will