Kiora, Sovereign of the Deep by LauBoB

Format: Commander

Commander: Kiora, Sovereign of the Deep

Bracket: 3

DeckCheck Threat Index: 47

Deck overview

Kiora, Sovereign of the Deep commands a high-impact Simic Sea Monster stompy deck that turns massive Krakens, Leviathans, Octopuses, and Serpents into explosive two-for-one value engines. The game plan accelerates mana across the opening turns using efficient two-mana ramp and land accelerators, deploying Kiora reliably by Turn 3 or 4. Once Kiora is active, casting any large sea monster triggers a pseudo-cascade effect, revealing cards from the library and casting a secondary spell for free. This rapid mana cheating quickly fills the battlefield with enormous creatures such as Koma, Cosmos Serpent, Hullbreaker Horror, and Spawning Kraken. Power-based draw engines like Garruk's Uprising and Elemental Bond replenish the hand as these behemoths enter. The deck secures victory through overwhelming combat damage, leveraging asymmetric board wipes like Whelming Wave and evasion from Serpent of Yawning Depths to eliminate all opponents while defending its board with efficient counterspells.

Decklist (100 cards)

  • 1 Aesi, Tyrant of Gyre Strait
  • 1 Ancient Tomb
  • 1 Arcane Signet
  • 1 Arixmethes, Slumbering Isle
  • 1 Barkchannel Pathway // Tidechannel Pathway
  • 1 Benthic Anomaly
  • 1 Boseiju, Who Endures
  • 1 Botanical Sanctum
  • 1 Brinelin, the Moon Kraken
  • 1 Counterspell
  • 1 Cultivate
  • 1 Defense of the Heart
  • 1 Dreamroot Cascade
  • 1 Elemental Bond
  • 1 Fierce Guardianship
  • 1 Flooded Grove
  • 7 Forest
  • 1 Garruk's Uprising
  • 1 Grozoth
  • 1 Guardian Project
  • 1 Hedge Maze
  • 1 Herd Heirloom
  • 1 Heroic Intervention
  • 1 Hinterland Harbor
  • 1 Hullbreaker Horror
  • 1 Inkwell Leviathan
  • 17 Island
  • 1 Kenessos, Priest of Thassa
  • 1 Kiora Bests the Sea God
  • 1 Kiora's Follower
  • 1 Kiora, Behemoth Beckoner
  • 1 Kiora, Sovereign of the Deep
  • 1 Kodama's Reach
  • 1 Koma, Cosmos Serpent
  • 1 Koma, World-Eater
  • 1 Kozilek's Unsealing
  • 1 Last March of the Ents
  • 1 Lorthos, the Tidemaker
  • 1 Mana Drain
  • 1 Mistrise Village
  • 1 Mystic Remora
  • 1 Natural Order
  • 1 Nature's Lore
  • 1 Nezahal, Primal Tide
  • 1 Oath of Druids
  • 1 Otawara, Soaring City
  • 1 Pongify
  • 1 Quest for Ula's Temple
  • 1 Rampant Growth
  • 1 Rapid Hybridization
  • 1 Rejuvenating Springs
  • 1 Return of the Wildspeaker
  • 1 Rishkar's Expertise
  • 1 Scourge of Fleets
  • 1 Serpent of Yawning Depths
  • 1 Shared Roots
  • 1 Simic Signet
  • 1 Simic Sky Swallower
  • 1 Sink into Stupor // Soporific Springs
  • 1 Slinn Voda, the Rising Deep
  • 1 Sol Ring
  • 1 Spawning Kraken
  • 1 Starwinder
  • 1 Stormtide Leviathan
  • 1 Strix Serenade
  • 1 Summon: Leviathan
  • 1 Swan Song
  • 1 Talisman of Curiosity
  • 1 The Great Henge
  • 1 The Terror of Serpent's Pass
  • 1 The Unagi of Kyoshi Island
  • 1 Tribute to the World Tree
  • 1 Tromokratis
  • 1 Up the Beanstalk
  • 1 Verdant Kraken
  • 1 Waterlogged Grove
  • 1 Whelming Wave
  • 1 Yavimaya Coast