Svyelun of Sea and Sky (Commander) - Optimized Midrange

Svyelun of Sea and Sky
Rank #1,155
3decks
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Background image for Attuma, Atlantean Warlord Commander Deck Tech
Landon Crispens
Feb 16, 2026
Landon Crispens
Attuma, Atlantean Warlord Commander Deck Tech
Is Attuma, Atlantean Warlord the new best mono-blue Merfolk commander? Come check out this Marvel villain's potential.
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Commander Spellbook
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Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
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Harmonized Crescendo
67%inclusion2 decks3 decks
63%synergy
Champions of the Shoal
33%inclusion1 decks3 decks
33%synergy
Game Changers
Rhystic Study
100%inclusion3 decks3 decks
67%synergy
Thassa's Oracle
67%inclusion2 decks3 decks
54%synergy
The One Ring
67%inclusion2 decks3 decks
54%synergy
Force of Will
67%inclusion2 decks3 decks
50%synergy
Fierce Guardianship
67%inclusion2 decks3 decks
44%synergy
Cyclonic Rift
67%inclusion2 decks3 decks
33%synergy
Mystical Tutor
67%inclusion2 decks3 decks
44%synergy
Ancient Tomb
33%inclusion1 decks3 decks
21%synergy
Consecrated Sphinx
33%inclusion1 decks3 decks
21%synergy
Chrome Mox
33%inclusion1 decks3 decks
24%synergy
Creatures
Harbinger of the Seas
100%inclusion3 decks3 decks
91%synergy
Lord of Atlantis
100%inclusion3 decks3 decks
99%synergy
Kopala, Warden of Waves
67%inclusion2 decks3 decks
65%synergy
Stonybrook Banneret
67%inclusion2 decks3 decks
63%synergy
Merfolk Sovereign
67%inclusion2 decks3 decks
65%synergy
Tishana's Tidebinder
67%inclusion2 decks3 decks
62%synergy
Roaming Throne
67%inclusion2 decks3 decks
62%synergy
Vodalian Hexcatcher
67%inclusion2 decks3 decks
65%synergy
Seahunter
67%inclusion2 decks3 decks
66%synergy
Merrow Reejerey
67%inclusion2 decks3 decks
65%synergy
Emperor Mihail II
67%inclusion2 decks3 decks
66%synergy
Triton Shorestalker
67%inclusion2 decks3 decks
64%synergy
Alandra, Sky Dreamer
67%inclusion2 decks3 decks
60%synergy
Wanderwine Prophets
67%inclusion2 decks3 decks
66%synergy
Master of the Pearl Trident
67%inclusion2 decks3 decks
65%synergy
Thada Adel, Acquisitor
67%inclusion2 decks3 decks
65%synergy
Silvergill Adept
67%inclusion2 decks3 decks
66%synergy
Tide Shaper
67%inclusion2 decks3 decks
66%synergy
Empress Galina
67%inclusion2 decks3 decks
66%synergy
Seafloor Oracle
67%inclusion2 decks3 decks
65%synergy
Merrow Harbinger
33%inclusion1 decks3 decks
32%synergy
Master of Waves
33%inclusion1 decks3 decks
30%synergy
Coralhelm Commander
33%inclusion1 decks3 decks
33%synergy
Azami, Lady of Scrolls
33%inclusion1 decks3 decks
30%synergy
Metallic Mimic
33%inclusion1 decks3 decks
32%synergy
Merfolk of the Pearl Trident
33%inclusion1 decks3 decks
33%synergy
Bruvac the Grandiloquent
33%inclusion1 decks3 decks
29%synergy
Archmage of Runes
33%inclusion1 decks3 decks
22%synergy
Psychosis Crawler
33%inclusion1 decks3 decks
18%synergy
Ambassador Laquatus
33%inclusion1 decks3 decks
33%synergy
The Mindskinner
33%inclusion1 decks3 decks
31%synergy
Toothy, Imaginary Friend
33%inclusion1 decks3 decks
30%synergy
Reef Shaman
33%inclusion1 decks3 decks
33%synergy
Deepchannel Mentor
33%inclusion1 decks3 decks
32%synergy
Adaptive Automaton
33%inclusion1 decks3 decks
32%synergy
Streambed Aquitects
33%inclusion1 decks3 decks
33%synergy
Thassa, God of the Sea
33%inclusion1 decks3 decks
30%synergy
Mist-Cloaked Herald
33%inclusion1 decks3 decks
31%synergy
Lullmage Mentor
33%inclusion1 decks3 decks
32%synergy
Merfolk Assassin
33%inclusion1 decks3 decks
33%synergy
Body of Knowledge
33%inclusion1 decks3 decks
27%synergy
Mistcaller
33%inclusion1 decks3 decks
32%synergy
Archmage Emeritus
33%inclusion1 decks3 decks
13%synergy
Ancient Silver Dragon
33%inclusion1 decks3 decks
30%synergy
Enduring Curiosity
33%inclusion1 decks3 decks
27%synergy
Defiler of Dreams
33%inclusion1 decks3 decks
25%synergy
Harbinger of the Tides
33%inclusion1 decks3 decks
32%synergy
Cursecatcher
33%inclusion1 decks3 decks
32%synergy
Drowner of Secrets
33%inclusion1 decks3 decks
33%synergy
Sakashima the Impostor
33%inclusion1 decks3 decks
30%synergy
Instants
Force of Negation
100%inclusion3 decks3 decks
85%synergy
Counterspell
100%inclusion3 decks3 decks
34%synergy
Mana Drain
67%inclusion2 decks3 decks
40%synergy
Swan Song
67%inclusion2 decks3 decks
40%synergy
Snap
67%inclusion2 decks3 decks
48%synergy
High Tide
67%inclusion2 decks3 decks
22%synergy
Frantic Search
33%inclusion1 decks3 decks
3%synergy
Transcendent Message
33%inclusion1 decks3 decks
31%synergy
An Offer You Can't Refuse
33%inclusion1 decks3 decks
-4%synergy
Negate
33%inclusion1 decks3 decks
-5%synergy
Brainstorm
33%inclusion1 decks3 decks
-8%synergy
Stubborn Denial
33%inclusion1 decks3 decks
31%synergy
Flare of Denial
33%inclusion1 decks3 decks
27%synergy
Mindbreak Trap
33%inclusion1 decks3 decks
28%synergy
Focus the Mind
33%inclusion1 decks3 decks
33%synergy
Nexus of Fate
33%inclusion1 decks3 decks
28%synergy
Reality Shift
33%inclusion1 decks3 decks
6%synergy
Opt
33%inclusion1 decks3 decks
8%synergy
Strix Serenade
33%inclusion1 decks3 decks
24%synergy
Rain of Revelation
33%inclusion1 decks3 decks
33%synergy
Resculpt
33%inclusion1 decks3 decks
15%synergy
Archmage's Charm
33%inclusion1 decks3 decks
17%synergy
Flusterstorm
33%inclusion1 decks3 decks
24%synergy
Arcane Denial
33%inclusion1 decks3 decks
-3%synergy
Thassa's Rebuff
33%inclusion1 decks3 decks
32%synergy
Sink into Stupor
33%inclusion1 decks3 decks
12%synergy
Unsubstantiate
33%inclusion1 decks3 decks
31%synergy
Misdirection
33%inclusion1 decks3 decks
28%synergy
Pact of Negation
33%inclusion1 decks3 decks
23%synergy
Sorceries
Aquitect's Will
67%inclusion2 decks3 decks
61%synergy
Ponder
33%inclusion1 decks3 decks
4%synergy
Windfall
33%inclusion1 decks3 decks
11%synergy
Echo of Eons
33%inclusion1 decks3 decks
31%synergy
Foresee
33%inclusion1 decks3 decks
33%synergy
Tamiyo's Epiphany
33%inclusion1 decks3 decks
33%synergy
Sea Gate Restoration
33%inclusion1 decks3 decks
18%synergy
Temporal Manipulation
33%inclusion1 decks3 decks
29%synergy
Bribery
33%inclusion1 decks3 decks
30%synergy
Sift
33%inclusion1 decks3 decks
33%synergy
Merchant Scroll
33%inclusion1 decks3 decks
24%synergy
Baral's Expertise
33%inclusion1 decks3 decks
32%synergy
Concentrate
33%inclusion1 decks3 decks
33%synergy
Preordain
33%inclusion1 decks3 decks
9%synergy
Spectral Deluge
33%inclusion1 decks3 decks
23%synergy
River's Rebuke
33%inclusion1 decks3 decks
30%synergy
Winternight Stories
33%inclusion1 decks3 decks
32%synergy
Ancestral Reminiscence
33%inclusion1 decks3 decks
33%synergy
Maddening Cacophony
33%inclusion1 decks3 decks
26%synergy
Raise the Palisade
33%inclusion1 decks3 decks
30%synergy
Compulsive Research
33%inclusion1 decks3 decks
32%synergy
Utility Artifacts
Sapphire Medallion
100%inclusion3 decks3 decks
42%synergy
Quicksilver Fountain
33%inclusion1 decks3 decks
32%synergy
Door of Destinies
33%inclusion1 decks3 decks
33%synergy
Herald's Horn
33%inclusion1 decks3 decks
31%synergy
Brotherhood Regalia
33%inclusion1 decks3 decks
32%synergy
Bident of Thassa
33%inclusion1 decks3 decks
21%synergy
Throne of the God-Pharaoh
33%inclusion1 decks3 decks
33%synergy
Insight Engine
33%inclusion1 decks3 decks
28%synergy
Enchantments
Kindred Discovery
67%inclusion2 decks3 decks
60%synergy
Deeproot Pilgrimage
67%inclusion2 decks3 decks
65%synergy
Intruder Alarm
67%inclusion2 decks3 decks
64%synergy
Mystic Remora
67%inclusion2 decks3 decks
40%synergy
Deeproot Waters
67%inclusion2 decks3 decks
65%synergy
Merrow Commerce
67%inclusion2 decks3 decks
66%synergy
Counterbalance
33%inclusion1 decks3 decks
30%synergy
Teferi's Ageless Insight
33%inclusion1 decks3 decks
16%synergy
Psychic Corrosion
33%inclusion1 decks3 decks
25%synergy
Fishliver Oil
33%inclusion1 decks3 decks
33%synergy
Spreading Seas
33%inclusion1 decks3 decks
32%synergy
Proft's Eidetic Memory
33%inclusion1 decks3 decks
25%synergy
Equilibrium
33%inclusion1 decks3 decks
33%synergy
Planeswalkers
Teferi, Temporal Pilgrim
33%inclusion1 decks3 decks
28%synergy
Teferi, Master of Time
33%inclusion1 decks3 decks
28%synergy
Tamiyo, the Moon Sage
33%inclusion1 decks3 decks
32%synergy
Utility Lands
Mystic Sanctuary
67%inclusion2 decks3 decks
16%synergy
Rivendell
67%inclusion2 decks3 decks
55%synergy
Nykthos, Shrine to Nyx
67%inclusion2 decks3 decks
50%synergy
Three Tree City
67%inclusion2 decks3 decks
63%synergy
Otawara, Soaring City
67%inclusion2 decks3 decks
41%synergy
Minamo, School at Water's Edge
33%inclusion1 decks3 decks
21%synergy
Mistrise Village
33%inclusion1 decks3 decks
24%synergy
Mutavault
33%inclusion1 decks3 decks
32%synergy
Castle Vantress
33%inclusion1 decks3 decks
15%synergy
Saprazzan Skerry
33%inclusion1 decks3 decks
30%synergy
Mana Artifacts
Sol Ring
100%inclusion3 decks3 decks
15%synergy
Fellwar Stone
67%inclusion2 decks3 decks
47%synergy
Arcane Signet
33%inclusion1 decks3 decks
-32%synergy
Lotus Petal
33%inclusion1 decks3 decks
21%synergy
Mox Amber
33%inclusion1 decks3 decks
26%synergy
Thought Vessel
33%inclusion1 decks3 decks
-18%synergy
Mind Stone
33%inclusion1 decks3 decks
-2%synergy
Nyx Lotus
33%inclusion1 decks3 decks
29%synergy
White Lotus Tile
33%inclusion1 decks3 decks
32%synergy
Lands
Island
100%inclusion3 decks3 decks
6%synergy
Cavern of Souls
67%inclusion2 decks3 decks
62%synergy
Fabled Passage
33%inclusion1 decks3 decks
30%synergy
Terramorphic Expanse
33%inclusion1 decks3 decks
30%synergy
Sea Gate Restoration
33%inclusion1 decks3 decks
18%synergy
Snow-Covered Island
33%inclusion1 decks3 decks
25%synergy
Plaza of Heroes
33%inclusion1 decks3 decks
33%synergy
Path of Ancestry
33%inclusion1 decks3 decks
29%synergy
Sink into Stupor
33%inclusion1 decks3 decks
12%synergy
Gemstone Caverns
33%inclusion1 decks3 decks
27%synergy
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