Svyelun of Sea and Sky (Commander) - Core Aggro

Svyelun of Sea and Sky
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Background image for 21 Best Merfolk Cards for Commander
Chris Guest
Jul 9, 2025
Chris Guest
21 Best Merfolk Cards for Commander
As one of Magic's oldest creature types, there are no shortage of excellent Merfolk to brew with. Chris breaks down the best of the best in this list.
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Emperor Mihail II
100%inclusion8 decks8 decks
99%synergy
Deeproot Waters
100%inclusion8 decks8 decks
99%synergy
Lord of Atlantis
100%inclusion8 decks8 decks
99%synergy
Merrow Reejerey
100%inclusion8 decks8 decks
98%synergy
Master of the Pearl Trident
100%inclusion8 decks8 decks
98%synergy
Tide Shaper
88%inclusion7 decks8 decks
87%synergy
Merrow Commerce
88%inclusion7 decks8 decks
87%synergy
Seafloor Oracle
88%inclusion7 decks8 decks
86%synergy
Kopala, Warden of Waves
88%inclusion7 decks8 decks
86%synergy
Vodalian Hexcatcher
88%inclusion7 decks8 decks
86%synergy
Top Cards
Kindred Discovery
88%inclusion7 decks8 decks
81%synergy
Stonybrook Banneret
88%inclusion7 decks8 decks
84%synergy
Merfolk Sovereign
88%inclusion7 decks8 decks
86%synergy
Deeproot Pilgrimage
88%inclusion7 decks8 decks
86%synergy
Sapphire Medallion
88%inclusion7 decks8 decks
30%synergy
Merfolk Trickster
88%inclusion7 decks8 decks
86%synergy
Merrow Harbinger
75%inclusion6 decks8 decks
74%synergy
Lullmage Mentor
75%inclusion6 decks8 decks
73%synergy
Harbinger of the Tides
75%inclusion6 decks8 decks
74%synergy
Mist Dancer
75%inclusion6 decks8 decks
74%synergy
Game Changers
Rhystic Study
13%inclusion1 decks8 decks
-21%synergy
Fierce Guardianship
13%inclusion1 decks8 decks
-11%synergy
Cyclonic Rift
13%inclusion1 decks8 decks
-22%synergy
Mystical Tutor
13%inclusion1 decks8 decks
-12%synergy
Creatures
Triton Shorestalker
63%inclusion5 decks8 decks
60%synergy
Thieving Skydiver
63%inclusion5 decks8 decks
58%synergy
Mindspring Merfolk
57%inclusion4 decks7 decks
56%synergy
Floodpits Drowner
57%inclusion4 decks7 decks
56%synergy
Master of Waves
50%inclusion4 decks8 decks
46%synergy
Coralhelm Commander
50%inclusion4 decks8 decks
49%synergy
True-Name Nemesis
50%inclusion4 decks8 decks
49%synergy
Tishana's Tidebinder
50%inclusion4 decks8 decks
45%synergy
Cosi's Trickster
50%inclusion4 decks8 decks
49%synergy
Seahunter
50%inclusion4 decks8 decks
49%synergy
River Sneak
50%inclusion4 decks8 decks
49%synergy
Mist-Cloaked Herald
50%inclusion4 decks8 decks
48%synergy
Tidal Warrior
50%inclusion4 decks8 decks
49%synergy
Thada Adel, Acquisitor
50%inclusion4 decks8 decks
48%synergy
Silvergill Adept
50%inclusion4 decks8 decks
49%synergy
Talrand, Sky Summoner
50%inclusion4 decks8 decks
36%synergy
Wake Thrasher
50%inclusion4 decks8 decks
49%synergy
Kiora, the Rising Tide
43%inclusion3 decks7 decks
40%synergy
Summon: Leviathan
40%inclusion2 decks5 decks
38%synergy
Deepchannel Mentor
38%inclusion3 decks8 decks
36%synergy
Streambed Aquitects
38%inclusion3 decks8 decks
37%synergy
Mistcaller
38%inclusion3 decks8 decks
37%synergy
Harbinger of the Seas
38%inclusion3 decks8 decks
28%synergy
Wanderwine Prophets
38%inclusion3 decks8 decks
37%synergy
Cursecatcher
38%inclusion3 decks8 decks
36%synergy
Drowner of Secrets
38%inclusion3 decks8 decks
37%synergy
Tempest Caller
38%inclusion3 decks8 decks
37%synergy
Stormtide Leviathan
25%inclusion2 decks8 decks
18%synergy
Metallic Mimic
25%inclusion2 decks8 decks
24%synergy
Rishadan Dockhand
25%inclusion2 decks8 decks
24%synergy
Merfolk Wayfinder
25%inclusion2 decks8 decks
25%synergy
Sigil Tracer
25%inclusion2 decks8 decks
24%synergy
Adaptive Automaton
25%inclusion2 decks8 decks
24%synergy
Thassa, God of the Sea
25%inclusion2 decks8 decks
21%synergy
Slinn Voda, the Rising Deep
25%inclusion2 decks8 decks
24%synergy
Empress Galina
25%inclusion2 decks8 decks
24%synergy
Sea Scryer
25%inclusion2 decks8 decks
24%synergy
Eluge, the Shoreless Sea
14%inclusion1 decks7 decks
6%synergy
Seasinger
13%inclusion1 decks8 decks
12%synergy
Thassa, Deep-Dwelling
13%inclusion1 decks8 decks
8%synergy
Razorfin Abolisher
13%inclusion1 decks8 decks
12%synergy
Salvager of Secrets
13%inclusion1 decks8 decks
12%synergy
Tideshaper Mystic
13%inclusion1 decks8 decks
12%synergy
Rootwater Diver
13%inclusion1 decks8 decks
12%synergy
Merfolk Mesmerist
13%inclusion1 decks8 decks
12%synergy
Dakra Mystic
13%inclusion1 decks8 decks
12%synergy
Merfolk Looter
13%inclusion1 decks8 decks
10%synergy
The Flood of Mars
13%inclusion1 decks8 decks
9%synergy
Rootwater Thief
13%inclusion1 decks8 decks
12%synergy
_____ _____ _____ Trespasser
13%inclusion1 decks8 decks
12%synergy
Instants
High Tide
75%inclusion6 decks8 decks
31%synergy
Reality Shift
63%inclusion5 decks8 decks
35%synergy
Aetherize
63%inclusion5 decks8 decks
34%synergy
Negate
50%inclusion4 decks8 decks
12%synergy
Flare of Denial
50%inclusion4 decks8 decks
43%synergy
Counterspell
50%inclusion4 decks8 decks
-17%synergy
Rapid Hybridization
38%inclusion3 decks8 decks
3%synergy
An Offer You Can't Refuse
38%inclusion3 decks8 decks
1%synergy
Brainstorm
38%inclusion3 decks8 decks
-4%synergy
Mystic Reflection
38%inclusion3 decks8 decks
36%synergy
Filter Out
38%inclusion3 decks8 decks
33%synergy
Pongify
25%inclusion2 decks8 decks
-15%synergy
Essence Scatter
25%inclusion2 decks8 decks
21%synergy
Resculpt
25%inclusion2 decks8 decks
6%synergy
Tale's End
25%inclusion2 decks8 decks
22%synergy
Arcane Denial
25%inclusion2 decks8 decks
-11%synergy
Thassa's Rebuff
25%inclusion2 decks8 decks
24%synergy
Sink into Stupor
25%inclusion2 decks8 decks
4%synergy
Boomerang
25%inclusion2 decks8 decks
23%synergy
Refute
14%inclusion1 decks7 decks
9%synergy
Frantic Search
13%inclusion1 decks8 decks
-17%synergy
Run Away Together
13%inclusion1 decks8 decks
9%synergy
Domineering Will
13%inclusion1 decks8 decks
12%synergy
Dive Down
13%inclusion1 decks8 decks
9%synergy
Aetherspouts
13%inclusion1 decks8 decks
5%synergy
Opt
13%inclusion1 decks8 decks
-13%synergy
Turnabout
13%inclusion1 decks8 decks
9%synergy
Mana Drain
13%inclusion1 decks8 decks
-14%synergy
Cancel
13%inclusion1 decks8 decks
7%synergy
Psionic Blast
13%inclusion1 decks8 decks
12%synergy
Unsummon
13%inclusion1 decks8 decks
8%synergy
Swan Song
13%inclusion1 decks8 decks
-14%synergy
Reins of Power
13%inclusion1 decks8 decks
10%synergy
Submerge
13%inclusion1 decks8 decks
11%synergy
Engulf the Shore
13%inclusion1 decks8 decks
4%synergy
Cryptic Command
13%inclusion1 decks8 decks
1%synergy
Snap
13%inclusion1 decks8 decks
-6%synergy
Commandeer
13%inclusion1 decks8 decks
8%synergy
Flow of Knowledge
13%inclusion1 decks8 decks
-4%synergy
Spell Pierce
13%inclusion1 decks8 decks
4%synergy
Abjure
13%inclusion1 decks8 decks
8%synergy
Dig Through Time
13%inclusion1 decks8 decks
3%synergy
Sorceries
Aquitect's Will
75%inclusion6 decks8 decks
70%synergy
Distant Melody
50%inclusion4 decks8 decks
45%synergy
Raise the Palisade
38%inclusion3 decks8 decks
35%synergy
Ponder
25%inclusion2 decks8 decks
-5%synergy
Rite of Replication
25%inclusion2 decks8 decks
18%synergy
Inundate
13%inclusion1 decks8 decks
11%synergy
Windfall
13%inclusion1 decks8 decks
-10%synergy
Sea Gate Restoration
13%inclusion1 decks8 decks
-2%synergy
Crashing Tide
13%inclusion1 decks8 decks
12%synergy
Expropriate
13%inclusion1 decks8 decks
9%synergy
Retraced Image
13%inclusion1 decks8 decks
10%synergy
Preordain
13%inclusion1 decks8 decks
-12%synergy
Spectral Deluge
13%inclusion1 decks8 decks
1%synergy
River's Rebuke
13%inclusion1 decks8 decks
9%synergy
Maddening Cacophony
13%inclusion1 decks8 decks
5%synergy
Entrancing Melody
13%inclusion1 decks8 decks
12%synergy
Utility Artifacts
Herald's Horn
75%inclusion6 decks8 decks
73%synergy
Bident of Thassa
75%inclusion6 decks8 decks
63%synergy
Kefnet's Monument
63%inclusion5 decks8 decks
56%synergy
Vanquisher's Banner
50%inclusion4 decks8 decks
49%synergy
Door of Destinies
50%inclusion4 decks8 decks
49%synergy
Wayfarer's Bauble
38%inclusion3 decks8 decks
19%synergy
Banner of Kinship
29%inclusion2 decks7 decks
26%synergy
Quicksilver Fountain
25%inclusion2 decks8 decks
23%synergy
Swiftfoot Boots
25%inclusion2 decks8 decks
-3%synergy
Icon of Ancestry
13%inclusion1 decks8 decks
12%synergy
Bitterthorn, Nissa's Animus
13%inclusion1 decks8 decks
11%synergy
Coat of Arms
13%inclusion1 decks8 decks
11%synergy
Pyre of Heroes
13%inclusion1 decks8 decks
12%synergy
Hall of Triumph
13%inclusion1 decks8 decks
12%synergy
Stoneforge Masterwork
13%inclusion1 decks8 decks
12%synergy
Horn of the Mark
13%inclusion1 decks8 decks
12%synergy
Azor's Gateway
13%inclusion1 decks8 decks
12%synergy
Lightning Greaves
13%inclusion1 decks8 decks
-14%synergy
Strionic Resonator
13%inclusion1 decks8 decks
10%synergy
Dolmen Gate
13%inclusion1 decks8 decks
12%synergy
Empyrial Plate
13%inclusion1 decks8 decks
11%synergy
Throne of the God-Pharaoh
13%inclusion1 decks8 decks
12%synergy
Enchantments
Reflections of Littjara
75%inclusion6 decks8 decks
72%synergy
Spreading Seas
38%inclusion3 decks8 decks
36%synergy
Aquatic Incursion
38%inclusion3 decks8 decks
37%synergy
Propaganda
38%inclusion3 decks8 decks
8%synergy
Intruder Alarm
25%inclusion2 decks8 decks
22%synergy
Reconnaissance Mission
13%inclusion1 decks8 decks
6%synergy
Imprisoned in the Moon
13%inclusion1 decks8 decks
1%synergy
Wizard Class
13%inclusion1 decks8 decks
-4%synergy
Coastal Piracy
13%inclusion1 decks8 decks
8%synergy
Mystic Remora
13%inclusion1 decks8 decks
-15%synergy
Insight
13%inclusion1 decks8 decks
12%synergy
Opposition
13%inclusion1 decks8 decks
12%synergy
Copy Land
13%inclusion1 decks8 decks
11%synergy
Control Magic
13%inclusion1 decks8 decks
11%synergy
Telepathy
13%inclusion1 decks8 decks
10%synergy
Utility Lands
Reliquary Tower
75%inclusion6 decks8 decks
19%synergy
Three Tree City
43%inclusion3 decks7 decks
39%synergy
Mystic Sanctuary
38%inclusion3 decks8 decks
-13%synergy
Castle Vantress
38%inclusion3 decks8 decks
18%synergy
Halimar Depths
25%inclusion2 decks8 decks
15%synergy
Lonely Sandbar
25%inclusion2 decks8 decks
11%synergy
Nykthos, Shrine to Nyx
25%inclusion2 decks8 decks
9%synergy
Otawara, Soaring City
25%inclusion2 decks8 decks
0%synergy
Rogue's Passage
25%inclusion2 decks8 decks
10%synergy
Minamo, School at Water's Edge
13%inclusion1 decks8 decks
0%synergy
Mutavault
13%inclusion1 decks8 decks
12%synergy
War Room
13%inclusion1 decks8 decks
-4%synergy
Strip Mine
13%inclusion1 decks8 decks
10%synergy
Saprazzan Skerry
13%inclusion1 decks8 decks
9%synergy
Mana Artifacts
Sol Ring
63%inclusion5 decks8 decks
-23%synergy
Arcane Signet
50%inclusion4 decks8 decks
-15%synergy
Sky Diamond
50%inclusion4 decks8 decks
26%synergy
Thought Vessel
50%inclusion4 decks8 decks
-2%synergy
Patchwork Banner
43%inclusion3 decks7 decks
39%synergy
Heraldic Banner
25%inclusion2 decks8 decks
19%synergy
Fellwar Stone
25%inclusion2 decks8 decks
5%synergy
Aetheric Amplifier
14%inclusion1 decks7 decks
14%synergy
Commander's Sphere
13%inclusion1 decks8 decks
2%synergy
Mind Stone
13%inclusion1 decks8 decks
-24%synergy
Lands
Island
100%inclusion8 decks8 decks
7%synergy
Myriad Landscape
25%inclusion2 decks8 decks
-2%synergy
Path of Ancestry
25%inclusion2 decks8 decks
21%synergy
Sink into Stupor
25%inclusion2 decks8 decks
4%synergy
Command Tower
13%inclusion1 decks8 decks
8%synergy
Heap Gate
13%inclusion1 decks8 decks
12%synergy
Gond Gate
13%inclusion1 decks8 decks
12%synergy
Sea Gate Restoration
13%inclusion1 decks8 decks
-2%synergy
Plaza of Harmony
13%inclusion1 decks8 decks
12%synergy
Cavern of Souls
13%inclusion1 decks8 decks
8%synergy
Evolving Wilds
13%inclusion1 decks8 decks
8%synergy
Abstergo Entertainment
13%inclusion1 decks8 decks
12%synergy
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