Svyelun of Sea and Sky (Commander) - Optimized Aggro

Svyelun of Sea and Sky
Rank #1,275
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Ethan Coover
Sep 16, 2026
Ethan Coover
Ranking the Best Merfolk Combos in Commander
The 10 best Merfolk combo cards, from Emry and Adrix and Nev to hidden gems like Leech Bonder, ranked by Commander Spellbook combo count.
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Commander Spellbook
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Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
Back to Top
Tide Shaper
100%inclusion9 decks9 decks
99%synergy
Emperor Mihail II
100%inclusion9 decks9 decks
99%synergy
Kopala, Warden of Waves
100%inclusion9 decks9 decks
98%synergy
Deeproot Pilgrimage
100%inclusion9 decks9 decks
98%synergy
Lord of Atlantis
100%inclusion9 decks9 decks
98%synergy
Merfolk Sovereign
100%inclusion9 decks9 decks
98%synergy
Vodalian Hexcatcher
100%inclusion9 decks9 decks
98%synergy
Master of the Pearl Trident
100%inclusion9 decks9 decks
97%synergy
Silvergill Adept
89%inclusion8 decks9 decks
88%synergy
Deeproot Waters
89%inclusion8 decks9 decks
87%synergy
Top Cards
Tishana's Tidebinder
89%inclusion8 decks9 decks
85%synergy
Triton Shorestalker
89%inclusion8 decks9 decks
86%synergy
Stonybrook Banneret
89%inclusion8 decks9 decks
85%synergy
Counterspell
89%inclusion8 decks9 decks
23%synergy
Sapphire Medallion
89%inclusion8 decks9 decks
29%synergy
Thieving Skydiver
89%inclusion8 decks9 decks
85%synergy
Harbinger of the Seas
89%inclusion8 decks9 decks
81%synergy
Wanderwine Prophets
78%inclusion7 decks9 decks
77%synergy
Merrow Reejerey
78%inclusion7 decks9 decks
76%synergy
Merrow Harbinger
78%inclusion7 decks9 decks
77%synergy
Game Changers
Cyclonic Rift
67%inclusion6 decks9 decks
35%synergy
Rhystic Study
56%inclusion5 decks9 decks
25%synergy
Thassa's Oracle
44%inclusion4 decks9 decks
32%synergy
Force of Will
44%inclusion4 decks9 decks
28%synergy
Fierce Guardianship
44%inclusion4 decks9 decks
22%synergy
Mystical Tutor
44%inclusion4 decks9 decks
24%synergy
Ancient Tomb
22%inclusion2 decks9 decks
11%synergy
The One Ring
22%inclusion2 decks9 decks
10%synergy
Chrome Mox
22%inclusion2 decks9 decks
14%synergy
Creatures
Harbinger of the Tides
78%inclusion7 decks9 decks
77%synergy
Merfolk Trickster
78%inclusion7 decks9 decks
76%synergy
Seafloor Oracle
78%inclusion7 decks9 decks
76%synergy
Seahunter
67%inclusion6 decks9 decks
66%synergy
Mist-Cloaked Herald
67%inclusion6 decks9 decks
64%synergy
Lullmage Mentor
67%inclusion6 decks9 decks
64%synergy
Thada Adel, Acquisitor
67%inclusion6 decks9 decks
65%synergy
Attuma, Atlantean Warlord
67%inclusion4 decks6 decks
64%synergy
Master of Waves
56%inclusion5 decks9 decks
52%synergy
True-Name Nemesis
56%inclusion5 decks9 decks
55%synergy
Deepchannel Mentor
56%inclusion5 decks9 decks
54%synergy
Mistcaller
56%inclusion5 decks9 decks
55%synergy
Cursecatcher
56%inclusion5 decks9 decks
54%synergy
Mist Dancer
56%inclusion5 decks9 decks
54%synergy
Namor the Sub-Mariner
50%inclusion3 decks6 decks
49%synergy
Harmonized Trio
50%inclusion2 decks4 decks
42%synergy
Rishadan Dockhand
44%inclusion4 decks9 decks
44%synergy
Coralhelm Commander
33%inclusion3 decks9 decks
32%synergy
River Sneak
33%inclusion3 decks9 decks
33%synergy
Forensic Researcher
33%inclusion3 decks9 decks
32%synergy
Tempest Caller
33%inclusion3 decks9 decks
32%synergy
Namor, Scourge of the Seas
33%inclusion1 decks3 decks
32%synergy
Landscape Painter
25%inclusion1 decks4 decks
25%synergy
Whirlpool Rider
22%inclusion2 decks9 decks
21%synergy
Cosi's Trickster
22%inclusion2 decks9 decks
22%synergy
Merfolk Looter
22%inclusion2 decks9 decks
20%synergy
Benthic Biomancer
22%inclusion2 decks9 decks
21%synergy
Glasspool Mimic
22%inclusion2 decks9 decks
15%synergy
Empress Galina
22%inclusion2 decks9 decks
21%synergy
Wake Thrasher
22%inclusion2 decks9 decks
22%synergy
Eluge, the Shoreless Sea
11%inclusion1 decks9 decks
3%synergy
Azami, Lady of Scrolls
11%inclusion1 decks9 decks
8%synergy
Vodalian Arcanist
11%inclusion1 decks9 decks
11%synergy
Merfolk of the Pearl Trident
11%inclusion1 decks9 decks
11%synergy
Oboro Breezecaller
11%inclusion1 decks9 decks
10%synergy
Vedalken Aethermage
11%inclusion1 decks9 decks
9%synergy
Ambassador Laquatus
11%inclusion1 decks9 decks
11%synergy
Roaming Throne
11%inclusion1 decks9 decks
7%synergy
Floodpits Drowner
11%inclusion1 decks9 decks
10%synergy
Reef Shaman
11%inclusion1 decks9 decks
11%synergy
Mothdust Changeling
11%inclusion1 decks9 decks
11%synergy
Sigil Tracer
11%inclusion1 decks9 decks
10%synergy
Scourge of Fleets
11%inclusion1 decks9 decks
-0%synergy
Streambed Aquitects
11%inclusion1 decks9 decks
11%synergy
Rootwater Thief
11%inclusion1 decks9 decks
11%synergy
Drift of Phantasms
11%inclusion1 decks9 decks
9%synergy
Slinn Voda, the Rising Deep
11%inclusion1 decks9 decks
10%synergy
Merfolk Assassin
11%inclusion1 decks9 decks
11%synergy
Sakashima of a Thousand Faces
11%inclusion1 decks9 decks
5%synergy
Alandra, Sky Dreamer
11%inclusion1 decks9 decks
4%synergy
Instants
High Tide
78%inclusion7 decks9 decks
34%synergy
Pongify
44%inclusion4 decks9 decks
4%synergy
Rapid Hybridization
44%inclusion4 decks9 decks
10%synergy
Negate
44%inclusion4 decks9 decks
7%synergy
Brainstorm
44%inclusion4 decks9 decks
4%synergy
Force of Negation
44%inclusion4 decks9 decks
29%synergy
Flare of Denial
33%inclusion3 decks9 decks
26%synergy
Reality Shift
33%inclusion3 decks9 decks
7%synergy
Mana Drain
33%inclusion3 decks9 decks
7%synergy
Aetherize
33%inclusion3 decks9 decks
2%synergy
Resculpt
33%inclusion3 decks9 decks
17%synergy
Swan Song
33%inclusion3 decks9 decks
6%synergy
Muddle the Mixture
22%inclusion2 decks9 decks
7%synergy
Transcendent Message
22%inclusion2 decks9 decks
20%synergy
An Offer You Can't Refuse
22%inclusion2 decks9 decks
-17%synergy
Foil
22%inclusion2 decks9 decks
16%synergy
Cryptic Command
22%inclusion2 decks9 decks
10%synergy
Arcane Denial
22%inclusion2 decks9 decks
-15%synergy
Snap
22%inclusion2 decks9 decks
3%synergy
Thassa's Rebuff
22%inclusion2 decks9 decks
21%synergy
Harmonized Crescendo
20%inclusion1 decks5 decks
15%synergy
Frantic Search
11%inclusion1 decks9 decks
-21%synergy
Chain of Vapor
11%inclusion1 decks9 decks
7%synergy
Deliberate
11%inclusion1 decks9 decks
9%synergy
Stubborn Denial
11%inclusion1 decks9 decks
9%synergy
Brain Freeze
11%inclusion1 decks9 decks
7%synergy
Mindbreak Trap
11%inclusion1 decks9 decks
5%synergy
Blue Elemental Blast
11%inclusion1 decks9 decks
10%synergy
Nexus of Fate
11%inclusion1 decks9 decks
6%synergy
Opt
11%inclusion1 decks9 decks
-14%synergy
Strix Serenade
11%inclusion1 decks9 decks
3%synergy
Unsummon
11%inclusion1 decks9 decks
7%synergy
Archmage's Charm
11%inclusion1 decks9 decks
-6%synergy
Flusterstorm
11%inclusion1 decks9 decks
1%synergy
Filter Out
11%inclusion1 decks9 decks
8%synergy
Into the Flood Maw
11%inclusion1 decks9 decks
4%synergy
Wash Away
11%inclusion1 decks9 decks
7%synergy
Ghostly Flicker
11%inclusion1 decks9 decks
-1%synergy
Wizard's Retort
11%inclusion1 decks9 decks
7%synergy
Rewind
11%inclusion1 decks9 decks
-1%synergy
Memory Lapse
11%inclusion1 decks9 decks
8%synergy
Sink into Stupor
11%inclusion1 decks9 decks
-12%synergy
Shimmering Mirage
11%inclusion1 decks9 decks
9%synergy
Spell Pierce
11%inclusion1 decks9 decks
3%synergy
Dramatic Reversal
11%inclusion1 decks9 decks
-7%synergy
Boomerang
11%inclusion1 decks9 decks
10%synergy
March of Swirling Mist
11%inclusion1 decks9 decks
4%synergy
Pact of Negation
11%inclusion1 decks9 decks
2%synergy
Sorceries
Raise the Palisade
56%inclusion5 decks9 decks
52%synergy
Aquitect's Will
44%inclusion4 decks9 decks
40%synergy
Ponder
33%inclusion3 decks9 decks
4%synergy
Distant Melody
33%inclusion3 decks9 decks
28%synergy
Windfall
22%inclusion2 decks9 decks
1%synergy
Echo of Eons
22%inclusion2 decks9 decks
20%synergy
Fabricate
22%inclusion2 decks9 decks
2%synergy
Sea Gate Restoration
22%inclusion2 decks9 decks
7%synergy
Inundate
11%inclusion1 decks9 decks
9%synergy
Mind Spring
11%inclusion1 decks9 decks
10%synergy
Curse of the Swine
11%inclusion1 decks9 decks
1%synergy
Serum Visions
11%inclusion1 decks9 decks
2%synergy
Temporal Manipulation
11%inclusion1 decks9 decks
7%synergy
Bribery
11%inclusion1 decks9 decks
8%synergy
Day's Undoing
11%inclusion1 decks9 decks
10%synergy
Personal Tutor
11%inclusion1 decks9 decks
7%synergy
Preordain
11%inclusion1 decks9 decks
-12%synergy
Spectral Deluge
11%inclusion1 decks9 decks
2%synergy
Step Through
11%inclusion1 decks9 decks
6%synergy
Timetwister
11%inclusion1 decks9 decks
9%synergy
Ravenform
11%inclusion1 decks9 decks
4%synergy
Time Warp
11%inclusion1 decks9 decks
6%synergy
Rite of Replication
11%inclusion1 decks9 decks
4%synergy
Utility Artifacts
Bident of Thassa
78%inclusion7 decks9 decks
65%synergy
Kefnet's Monument
44%inclusion4 decks9 decks
39%synergy
Lightning Greaves
44%inclusion4 decks9 decks
18%synergy
Winter Moon
33%inclusion3 decks9 decks
30%synergy
Herald's Horn
33%inclusion3 decks9 decks
32%synergy
Quicksilver Fountain
22%inclusion2 decks9 decks
21%synergy
Swiftfoot Boots
22%inclusion2 decks9 decks
-6%synergy
Mindlink Mech
11%inclusion1 decks9 decks
11%synergy
Soul-Guide Lantern
11%inclusion1 decks9 decks
6%synergy
The Indomitable
11%inclusion1 decks9 decks
9%synergy
Wayfarer's Bauble
11%inclusion1 decks9 decks
-5%synergy
Vexing Bauble
11%inclusion1 decks9 decks
9%synergy
Robe of the Archmagi
11%inclusion1 decks9 decks
10%synergy
Grafdigger's Cage
11%inclusion1 decks9 decks
7%synergy
Shadowspear
11%inclusion1 decks9 decks
9%synergy
Banner of Kinship
11%inclusion1 decks9 decks
8%synergy
Vanquisher's Banner
11%inclusion1 decks9 decks
10%synergy
Door of Destinies
11%inclusion1 decks9 decks
10%synergy
Diviner's Wand
11%inclusion1 decks9 decks
11%synergy
Commander's Plate
11%inclusion1 decks9 decks
7%synergy
Alhammarret's Archive
11%inclusion1 decks9 decks
9%synergy
Sword of the Animist
11%inclusion1 decks9 decks
6%synergy
Blackblade Reforged
11%inclusion1 decks9 decks
7%synergy
Isochron Scepter
11%inclusion1 decks9 decks
-5%synergy
Empyrial Plate
11%inclusion1 decks9 decks
9%synergy
Throne of the God-Pharaoh
11%inclusion1 decks9 decks
11%synergy
Pariah's Shield
11%inclusion1 decks9 decks
11%synergy
Aether Vial
11%inclusion1 decks9 decks
11%synergy
Damping Sphere
11%inclusion1 decks9 decks
11%synergy
Enchantments
Merrow Commerce
78%inclusion7 decks9 decks
76%synergy
Kindred Discovery
67%inclusion6 decks9 decks
60%synergy
Reflections of Littjara
44%inclusion4 decks9 decks
41%synergy
Reconnaissance Mission
33%inclusion3 decks9 decks
26%synergy
Intruder Alarm
33%inclusion3 decks9 decks
30%synergy
Mystic Remora
33%inclusion3 decks9 decks
7%synergy
Spreading Seas
33%inclusion3 decks9 decks
32%synergy
Counterbalance
22%inclusion2 decks9 decks
19%synergy
Wizard Class
22%inclusion2 decks9 decks
5%synergy
Back to Basics
11%inclusion1 decks9 decks
5%synergy
Teferi's Ageless Insight
11%inclusion1 decks9 decks
-6%synergy
Frozen Aether
11%inclusion1 decks9 decks
10%synergy
Imprisoned in the Moon
11%inclusion1 decks9 decks
-1%synergy
Unstoppable Plan
11%inclusion1 decks9 decks
4%synergy
Military Intelligence
11%inclusion1 decks9 decks
10%synergy
Coastal Piracy
11%inclusion1 decks9 decks
6%synergy
Retreat to Coralhelm
11%inclusion1 decks9 decks
8%synergy
Telepathy
11%inclusion1 decks9 decks
9%synergy
Propaganda
11%inclusion1 decks9 decks
-20%synergy
Utility Lands
Mystic Sanctuary
100%inclusion9 decks9 decks
50%synergy
Nykthos, Shrine to Nyx
78%inclusion7 decks9 decks
61%synergy
Otawara, Soaring City
67%inclusion6 decks9 decks
41%synergy
Reliquary Tower
56%inclusion5 decks9 decks
-0%synergy
Castle Vantress
56%inclusion5 decks9 decks
38%synergy
Minamo, School at Water's Edge
44%inclusion4 decks9 decks
31%synergy
Mutavault
44%inclusion4 decks9 decks
44%synergy
Three Tree City
33%inclusion3 decks9 decks
29%synergy
Rivendell
22%inclusion2 decks9 decks
12%synergy
Halimar Depths
22%inclusion2 decks9 decks
13%synergy
Riptide Laboratory
22%inclusion2 decks9 decks
13%synergy
Tolaria West
22%inclusion2 decks9 decks
17%synergy
Svyelunite Temple
22%inclusion2 decks9 decks
22%synergy
Lonely Sandbar
22%inclusion2 decks9 decks
9%synergy
Hall of Storm Giants
11%inclusion1 decks9 decks
9%synergy
Lotus Field
11%inclusion1 decks9 decks
10%synergy
Remote Isle
11%inclusion1 decks9 decks
7%synergy
Hall of the Bandit Lord
11%inclusion1 decks9 decks
10%synergy
Magosi, the Waterveil
11%inclusion1 decks9 decks
10%synergy
Desert of the Mindful
11%inclusion1 decks9 decks
8%synergy
Scavenger Grounds
11%inclusion1 decks9 decks
4%synergy
War Room
11%inclusion1 decks9 decks
-4%synergy
Emergence Zone
11%inclusion1 decks9 decks
7%synergy
Sea Gate Wreckage
11%inclusion1 decks9 decks
11%synergy
Academy Ruins
11%inclusion1 decks9 decks
-8%synergy
Mikokoro, Center of the Sea
11%inclusion1 decks9 decks
8%synergy
Thespian's Stage
11%inclusion1 decks9 decks
8%synergy
Sunken Palace
11%inclusion1 decks9 decks
7%synergy
Cephalid Coliseum
11%inclusion1 decks9 decks
2%synergy
Dark Depths
11%inclusion1 decks9 decks
10%synergy
Moonring Island
11%inclusion1 decks9 decks
10%synergy
Saprazzan Skerry
11%inclusion1 decks9 decks
8%synergy
Rogue's Passage
11%inclusion1 decks9 decks
-5%synergy
Field of Ruin
11%inclusion1 decks9 decks
9%synergy
Mana Artifacts
Sol Ring
100%inclusion9 decks9 decks
15%synergy
Arcane Signet
44%inclusion4 decks9 decks
-20%synergy
Thought Vessel
44%inclusion4 decks9 decks
-7%synergy
Sky Diamond
11%inclusion1 decks9 decks
-11%synergy
Lotus Petal
11%inclusion1 decks9 decks
-1%synergy
Patchwork Banner
11%inclusion1 decks9 decks
7%synergy
Decanter of Endless Water
11%inclusion1 decks9 decks
-2%synergy
Fellwar Stone
11%inclusion1 decks9 decks
-9%synergy
Liquimetal Torque
11%inclusion1 decks9 decks
5%synergy
Springleaf Drum
11%inclusion1 decks9 decks
7%synergy
Nyx Lotus
11%inclusion1 decks9 decks
8%synergy
Lands
Island
100%inclusion9 decks9 decks
6%synergy
Cavern of Souls
67%inclusion6 decks9 decks
62%synergy
Path of Ancestry
33%inclusion3 decks9 decks
30%synergy
Misty Rainforest
22%inclusion2 decks9 decks
15%synergy
Sea Gate Restoration
22%inclusion2 decks9 decks
7%synergy
Demolition Field
22%inclusion2 decks9 decks
17%synergy
Gemstone Caverns
22%inclusion2 decks9 decks
16%synergy
Glasspool Mimic
22%inclusion2 decks9 decks
15%synergy
Scalding Tarn
22%inclusion2 decks9 decks
15%synergy
Prismatic Vista
11%inclusion1 decks9 decks
7%synergy
Myriad Landscape
11%inclusion1 decks9 decks
-13%synergy
Urza's Cave
11%inclusion1 decks9 decks
7%synergy
Snow-Covered Island
11%inclusion1 decks9 decks
3%synergy
Sink into Stupor
11%inclusion1 decks9 decks
-12%synergy
Polluted Delta
11%inclusion1 decks9 decks
3%synergy
Flooded Strand
11%inclusion1 decks9 decks
3%synergy
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