Svyelun of Sea and Sky (Commander) - Optimized Merfolk

Svyelun of Sea and Sky
Rank #1,167
9decks
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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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Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
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Attuma, Atlantean Warlord
25%inclusion1 decks4 decks
24%synergy
High Synergy Cards
Master of the Pearl Trident
100%inclusion9 decks9 decks
98%synergy
Emperor Mihail II
89%inclusion8 decks9 decks
88%synergy
Deepchannel Mentor
89%inclusion8 decks9 decks
88%synergy
Vodalian Hexcatcher
89%inclusion8 decks9 decks
87%synergy
Merfolk Sovereign
89%inclusion8 decks9 decks
87%synergy
Triton Shorestalker
89%inclusion8 decks9 decks
86%synergy
Stonybrook Banneret
89%inclusion8 decks9 decks
85%synergy
Tide Shaper
78%inclusion7 decks9 decks
77%synergy
Merrow Commerce
78%inclusion7 decks9 decks
77%synergy
Harbinger of the Tides
78%inclusion7 decks9 decks
77%synergy
Top Cards
Sapphire Medallion
89%inclusion8 decks9 decks
30%synergy
Kopala, Warden of Waves
78%inclusion7 decks9 decks
76%synergy
Deeproot Pilgrimage
78%inclusion7 decks9 decks
76%synergy
Merrow Reejerey
78%inclusion7 decks9 decks
76%synergy
Mist-Cloaked Herald
78%inclusion7 decks9 decks
75%synergy
Lullmage Mentor
78%inclusion7 decks9 decks
76%synergy
Harbinger of the Seas
78%inclusion7 decks9 decks
69%synergy
Counterspell
78%inclusion7 decks9 decks
12%synergy
Lord of Atlantis
78%inclusion7 decks9 decks
76%synergy
High Tide
78%inclusion7 decks9 decks
34%synergy
Game Changers
Cyclonic Rift
67%inclusion6 decks9 decks
33%synergy
Rhystic Study
44%inclusion4 decks9 decks
12%synergy
Fierce Guardianship
44%inclusion4 decks9 decks
22%synergy
Force of Will
22%inclusion2 decks9 decks
5%synergy
Mystical Tutor
22%inclusion2 decks9 decks
0%synergy
Thassa's Oracle
11%inclusion1 decks9 decks
-1%synergy
Chrome Mox
11%inclusion1 decks9 decks
2%synergy
Creatures
Seafloor Oracle
78%inclusion7 decks9 decks
76%synergy
Tishana's Tidebinder
67%inclusion6 decks9 decks
62%synergy
Wanderwine Prophets
67%inclusion6 decks9 decks
66%synergy
Thada Adel, Acquisitor
67%inclusion6 decks9 decks
65%synergy
Tempest Caller
67%inclusion6 decks9 decks
66%synergy
Mist Dancer
67%inclusion6 decks9 decks
66%synergy
Silvergill Adept
67%inclusion6 decks9 decks
66%synergy
Thieving Skydiver
67%inclusion6 decks9 decks
63%synergy
Merfolk Trickster
67%inclusion6 decks9 decks
65%synergy
Merrow Harbinger
56%inclusion5 decks9 decks
54%synergy
Coralhelm Commander
56%inclusion5 decks9 decks
55%synergy
True-Name Nemesis
56%inclusion5 decks9 decks
55%synergy
Rishadan Dockhand
56%inclusion5 decks9 decks
55%synergy
Champions of the Shoal
50%inclusion2 decks4 decks
50%synergy
Master of Waves
44%inclusion4 decks9 decks
41%synergy
Thassa, God of the Sea
44%inclusion4 decks9 decks
41%synergy
Seahunter
33%inclusion3 decks9 decks
33%synergy
Streambed Aquitects
33%inclusion3 decks9 decks
33%synergy
River Sneak
33%inclusion3 decks9 decks
33%synergy
Tidal Warrior
33%inclusion3 decks9 decks
33%synergy
Wake Thrasher
33%inclusion3 decks9 decks
33%synergy
Disruptor of Currents
25%inclusion1 decks4 decks
24%synergy
Silvergill Mentor
25%inclusion1 decks4 decks
25%synergy
Silvergill Peddler
25%inclusion1 decks4 decks
25%synergy
Gravelgill Scoundrel
25%inclusion1 decks4 decks
25%synergy
Pestered Wellguard
25%inclusion1 decks4 decks
25%synergy
Metallic Mimic
22%inclusion2 decks9 decks
21%synergy
Mindspring Merfolk
22%inclusion2 decks9 decks
21%synergy
Merfolk Looter
22%inclusion2 decks9 decks
20%synergy
Cursecatcher
22%inclusion2 decks9 decks
21%synergy
Shipwreck Dowser
22%inclusion2 decks9 decks
20%synergy
Summon: Leviathan
22%inclusion2 decks9 decks
20%synergy
Oboro Breezecaller
11%inclusion1 decks9 decks
10%synergy
Vedalken Aethermage
11%inclusion1 decks9 decks
8%synergy
Enclave Elite
11%inclusion1 decks9 decks
11%synergy
Roaming Throne
11%inclusion1 decks9 decks
7%synergy
Cosi's Trickster
11%inclusion1 decks9 decks
10%synergy
Salvager of Secrets
11%inclusion1 decks9 decks
10%synergy
Surgespanner
11%inclusion1 decks9 decks
11%synergy
Floodpits Drowner
11%inclusion1 decks9 decks
10%synergy
Merfolk Wayfinder
11%inclusion1 decks9 decks
11%synergy
Adaptive Automaton
11%inclusion1 decks9 decks
10%synergy
Tazeem Roilmage
11%inclusion1 decks9 decks
11%synergy
Scourge of Fleets
11%inclusion1 decks9 decks
-1%synergy
Siren Stormtamer
11%inclusion1 decks9 decks
5%synergy
Kiora, the Rising Tide
11%inclusion1 decks9 decks
8%synergy
Slinn Voda, the Rising Deep
11%inclusion1 decks9 decks
10%synergy
Forensic Researcher
11%inclusion1 decks9 decks
10%synergy
Mistcaller
11%inclusion1 decks9 decks
10%synergy
Raving Visionary
11%inclusion1 decks9 decks
11%synergy
Instants
Reality Shift
67%inclusion6 decks9 decks
40%synergy
Aetherize
67%inclusion6 decks9 decks
37%synergy
Arcane Denial
67%inclusion6 decks9 decks
30%synergy
Pongify
56%inclusion5 decks9 decks
15%synergy
Negate
56%inclusion5 decks9 decks
18%synergy
Mana Drain
56%inclusion5 decks9 decks
29%synergy
Thassa's Rebuff
56%inclusion5 decks9 decks
54%synergy
Rapid Hybridization
44%inclusion4 decks9 decks
10%synergy
An Offer You Can't Refuse
44%inclusion4 decks9 decks
7%synergy
Harmonized Crescendo
25%inclusion1 decks4 decks
22%synergy
Swat Away
25%inclusion1 decks4 decks
24%synergy
Brainstorm
22%inclusion2 decks9 decks
-19%synergy
Resculpt
22%inclusion2 decks9 decks
5%synergy
Swan Song
22%inclusion2 decks9 decks
-4%synergy
Force of Negation
22%inclusion2 decks9 decks
7%synergy
Sink into Stupor
22%inclusion2 decks9 decks
0%synergy
Spider-Sense
13%inclusion1 decks8 decks
10%synergy
Muddle the Mixture
11%inclusion1 decks9 decks
-4%synergy
Run Away Together
11%inclusion1 decks9 decks
7%synergy
Spell Snare
11%inclusion1 decks9 decks
10%synergy
Flare of Denial
11%inclusion1 decks9 decks
4%synergy
Blink of an Eye
11%inclusion1 decks9 decks
9%synergy
Leadership Vacuum
11%inclusion1 decks9 decks
10%synergy
Strix Serenade
11%inclusion1 decks9 decks
2%synergy
Filter Out
11%inclusion1 decks9 decks
8%synergy
Jwari Disruption
11%inclusion1 decks9 decks
6%synergy
Ghostly Flicker
11%inclusion1 decks9 decks
0%synergy
Flow of Knowledge
11%inclusion1 decks9 decks
-5%synergy
Masterful Replication
11%inclusion1 decks9 decks
10%synergy
Mystic Confluence
11%inclusion1 decks9 decks
2%synergy
Narset's Reversal
11%inclusion1 decks9 decks
-1%synergy
Abjure
11%inclusion1 decks9 decks
7%synergy
March of Swirling Mist
11%inclusion1 decks9 decks
3%synergy
Pact of Negation
11%inclusion1 decks9 decks
1%synergy
Sorceries
Distant Melody
67%inclusion6 decks9 decks
62%synergy
Aquitect's Will
56%inclusion5 decks9 decks
50%synergy
Raise the Palisade
56%inclusion5 decks9 decks
52%synergy
Ponder
33%inclusion3 decks9 decks
4%synergy
Spectral Deluge
22%inclusion2 decks9 decks
12%synergy
Inundate
11%inclusion1 decks9 decks
9%synergy
Sleight of Hand
11%inclusion1 decks9 decks
8%synergy
Walk the Aeons
11%inclusion1 decks9 decks
9%synergy
Rhythmic Water Vortex
11%inclusion1 decks9 decks
11%synergy
Part the Waterveil
11%inclusion1 decks9 decks
10%synergy
Curse of the Swine
11%inclusion1 decks9 decks
0%synergy
Temporal Cleansing
11%inclusion1 decks9 decks
11%synergy
Capture of Jingzhou
11%inclusion1 decks9 decks
8%synergy
Ancestral Vision
11%inclusion1 decks9 decks
10%synergy
Timetwister
11%inclusion1 decks9 decks
9%synergy
Time Warp
11%inclusion1 decks9 decks
5%synergy
Solve the Equation
11%inclusion1 decks9 decks
-1%synergy
Utility Artifacts
Kefnet's Monument
67%inclusion6 decks9 decks
60%synergy
Bident of Thassa
67%inclusion6 decks9 decks
55%synergy
Herald's Horn
44%inclusion4 decks9 decks
43%synergy
Swiftfoot Boots
44%inclusion4 decks9 decks
16%synergy
Vanquisher's Banner
33%inclusion3 decks9 decks
32%synergy
Chronicle of Victory
25%inclusion1 decks4 decks
24%synergy
Gathering Stone
25%inclusion1 decks4 decks
25%synergy
Coat of Arms
22%inclusion2 decks9 decks
21%synergy
Sword of Hearth and Home
22%inclusion2 decks9 decks
20%synergy
Lightning Greaves
22%inclusion2 decks9 decks
-4%synergy
Sword of the Animist
22%inclusion2 decks9 decks
17%synergy
Sword of Light and Shadow
11%inclusion1 decks9 decks
11%synergy
Zephyr Boots
11%inclusion1 decks9 decks
11%synergy
Nettlecyst
11%inclusion1 decks9 decks
9%synergy
Team Pennant
11%inclusion1 decks9 decks
11%synergy
Umezawa's Jitte
11%inclusion1 decks9 decks
11%synergy
Rogue's Gloves
11%inclusion1 decks9 decks
11%synergy
Wayfarer's Bauble
11%inclusion1 decks9 decks
-7%synergy
Masterwork of Ingenuity
11%inclusion1 decks9 decks
10%synergy
Leyline Axe
11%inclusion1 decks9 decks
9%synergy
Mantle of Tides
11%inclusion1 decks9 decks
11%synergy
Chariot of Victory
11%inclusion1 decks9 decks
11%synergy
Haunted Cloak
11%inclusion1 decks9 decks
10%synergy
Sword of Truth and Justice
11%inclusion1 decks9 decks
10%synergy
Armory of Iroas
11%inclusion1 decks9 decks
11%synergy
Fireshrieker
11%inclusion1 decks9 decks
6%synergy
Sanctuary Blade
11%inclusion1 decks9 decks
11%synergy
Sword of War and Peace
11%inclusion1 decks9 decks
10%synergy
Winter Moon
11%inclusion1 decks9 decks
7%synergy
Goldvein Pick
11%inclusion1 decks9 decks
11%synergy
Eldrazi Monument
11%inclusion1 decks9 decks
10%synergy
Sword of Sinew and Steel
11%inclusion1 decks9 decks
11%synergy
Sword of Feast and Famine
11%inclusion1 decks9 decks
10%synergy
Loxodon Warhammer
11%inclusion1 decks9 decks
10%synergy
Blackblade Reforged
11%inclusion1 decks9 decks
6%synergy
Hero's Blade
11%inclusion1 decks9 decks
11%synergy
Forebear's Blade
11%inclusion1 decks9 decks
11%synergy
Aether Vial
11%inclusion1 decks9 decks
11%synergy
Damping Sphere
11%inclusion1 decks9 decks
11%synergy
Enchantments
Deeproot Waters
56%inclusion5 decks9 decks
54%synergy
Spreading Seas
56%inclusion5 decks9 decks
54%synergy
Reflections of Littjara
56%inclusion5 decks9 decks
52%synergy
Kindred Discovery
44%inclusion4 decks9 decks
38%synergy
Reconnaissance Mission
44%inclusion4 decks9 decks
38%synergy
Mystic Remora
33%inclusion3 decks9 decks
7%synergy
Imprisoned in the Moon
22%inclusion2 decks9 decks
10%synergy
Wizard Class
22%inclusion2 decks9 decks
5%synergy
Witness Protection
22%inclusion2 decks9 decks
17%synergy
Back to Basics
11%inclusion1 decks9 decks
4%synergy
Intruder Alarm
11%inclusion1 decks9 decks
8%synergy
Curiosity
11%inclusion1 decks9 decks
8%synergy
Aqueous Form
11%inclusion1 decks9 decks
6%synergy
Unable to Scream
11%inclusion1 decks9 decks
7%synergy
Military Intelligence
11%inclusion1 decks9 decks
10%synergy
Steal Enchantment
11%inclusion1 decks9 decks
10%synergy
Octopus Umbra
11%inclusion1 decks9 decks
11%synergy
Amphibian Downpour
11%inclusion1 decks9 decks
5%synergy
Propaganda
11%inclusion1 decks9 decks
-19%synergy
Sea's Claim
11%inclusion1 decks9 decks
11%synergy
Planeswalkers
Mu Yanling
11%inclusion1 decks9 decks
11%synergy
Utility Lands
Reliquary Tower
78%inclusion7 decks9 decks
21%synergy
Mystic Sanctuary
67%inclusion6 decks9 decks
17%synergy
Castle Vantress
56%inclusion5 decks9 decks
37%synergy
Nykthos, Shrine to Nyx
33%inclusion3 decks9 decks
17%synergy
Minamo, School at Water's Edge
22%inclusion2 decks9 decks
10%synergy
Halimar Depths
22%inclusion2 decks9 decks
12%synergy
Riptide Laboratory
22%inclusion2 decks9 decks
12%synergy
Mutavault
22%inclusion2 decks9 decks
21%synergy
Otawara, Soaring City
22%inclusion2 decks9 decks
-3%synergy
Seat of the Synod
11%inclusion1 decks9 decks
-7%synergy
Tolaria West
11%inclusion1 decks9 decks
6%synergy
Scavenger Grounds
11%inclusion1 decks9 decks
4%synergy
War Room
11%inclusion1 decks9 decks
-5%synergy
Skyline Cascade
11%inclusion1 decks9 decks
10%synergy
Throne of the High City
11%inclusion1 decks9 decks
11%synergy
Archway of Innovation
11%inclusion1 decks9 decks
0%synergy
Cephalid Coliseum
11%inclusion1 decks9 decks
2%synergy
Three Tree City
11%inclusion1 decks9 decks
8%synergy
Rogue's Passage
11%inclusion1 decks9 decks
-4%synergy
Bonders' Enclave
11%inclusion1 decks9 decks
9%synergy
Field of Ruin
11%inclusion1 decks9 decks
9%synergy
Mana Artifacts
Sol Ring
89%inclusion8 decks9 decks
4%synergy
Arcane Signet
78%inclusion7 decks9 decks
13%synergy
Sky Diamond
56%inclusion5 decks9 decks
33%synergy
Thought Vessel
56%inclusion5 decks9 decks
4%synergy
Patchwork Banner
44%inclusion4 decks9 decks
41%synergy
Heraldic Banner
33%inclusion3 decks9 decks
28%synergy
Firdoch Core
25%inclusion1 decks4 decks
24%synergy
Caged Sun
22%inclusion2 decks9 decks
11%synergy
Mind Stone
22%inclusion2 decks9 decks
-13%synergy
White Lotus Tile
14%inclusion1 decks7 decks
13%synergy
Hedron Archive
11%inclusion1 decks9 decks
5%synergy
Sol Talisman
11%inclusion1 decks9 decks
10%synergy
Fractured Powerstone
11%inclusion1 decks9 decks
10%synergy
Springleaf Drum
11%inclusion1 decks9 decks
8%synergy
Misleading Signpost
11%inclusion1 decks9 decks
7%synergy
Lands
Island
100%inclusion9 decks9 decks
6%synergy
Path of Ancestry
78%inclusion7 decks9 decks
74%synergy
Myriad Landscape
33%inclusion3 decks9 decks
8%synergy
Cavern of Souls
22%inclusion2 decks9 decks
18%synergy
Sink into Stupor
22%inclusion2 decks9 decks
0%synergy
Prismatic Vista
11%inclusion1 decks9 decks
7%synergy
Misty Rainforest
11%inclusion1 decks9 decks
3%synergy
Demolition Field
11%inclusion1 decks9 decks
6%synergy
Jwari Disruption
11%inclusion1 decks9 decks
6%synergy
Opal Palace
11%inclusion1 decks9 decks
10%synergy
Gemstone Caverns
11%inclusion1 decks9 decks
5%synergy
Glasspool Mimic
11%inclusion1 decks9 decks
5%synergy
Scalding Tarn
11%inclusion1 decks9 decks
3%synergy
Polluted Delta
11%inclusion1 decks9 decks
3%synergy
Flooded Strand
11%inclusion1 decks9 decks
3%synergy
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