Svyelun of Sea and Sky (Commander) - Optimized 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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Silvergill Adept
100%inclusion4 decks4 decks
99%synergy
Emperor Mihail II
100%inclusion4 decks4 decks
99%synergy
Tide Shaper
100%inclusion4 decks4 decks
99%synergy
Deeproot Waters
100%inclusion4 decks4 decks
99%synergy
Lord of Atlantis
100%inclusion4 decks4 decks
99%synergy
Seafloor Oracle
100%inclusion4 decks4 decks
99%synergy
Kopala, Warden of Waves
100%inclusion4 decks4 decks
99%synergy
Vodalian Hexcatcher
100%inclusion4 decks4 decks
99%synergy
Deeproot Pilgrimage
100%inclusion4 decks4 decks
99%synergy
Merrow Reejerey
100%inclusion4 decks4 decks
98%synergy
Top Cards
Kindred Discovery
100%inclusion4 decks4 decks
93%synergy
Master of Waves
100%inclusion4 decks4 decks
96%synergy
Stonybrook Banneret
100%inclusion4 decks4 decks
96%synergy
Merfolk Sovereign
100%inclusion4 decks4 decks
98%synergy
Triton Shorestalker
100%inclusion4 decks4 decks
98%synergy
Harbinger of the Seas
100%inclusion4 decks4 decks
91%synergy
Master of the Pearl Trident
100%inclusion4 decks4 decks
98%synergy
Counterspell
100%inclusion4 decks4 decks
33%synergy
High Tide
100%inclusion4 decks4 decks
56%synergy
Bident of Thassa
100%inclusion4 decks4 decks
88%synergy
Game Changers
Rhystic Study
75%inclusion3 decks4 decks
41%synergy
Thassa's Oracle
50%inclusion2 decks4 decks
37%synergy
Cyclonic Rift
50%inclusion2 decks4 decks
15%synergy
Ancient Tomb
25%inclusion1 decks4 decks
13%synergy
The One Ring
25%inclusion1 decks4 decks
12%synergy
Fierce Guardianship
25%inclusion1 decks4 decks
2%synergy
Mystical Tutor
25%inclusion1 decks4 decks
1%synergy
Creatures
Merrow Harbinger
75%inclusion3 decks4 decks
74%synergy
Tishana's Tidebinder
75%inclusion3 decks4 decks
70%synergy
Rishadan Dockhand
75%inclusion3 decks4 decks
74%synergy
Deepchannel Mentor
75%inclusion3 decks4 decks
74%synergy
Seahunter
75%inclusion3 decks4 decks
74%synergy
Lullmage Mentor
75%inclusion3 decks4 decks
73%synergy
Wanderwine Prophets
75%inclusion3 decks4 decks
74%synergy
Harbinger of the Tides
75%inclusion3 decks4 decks
74%synergy
Cursecatcher
75%inclusion3 decks4 decks
73%synergy
Thada Adel, Acquisitor
75%inclusion3 decks4 decks
73%synergy
Thieving Skydiver
75%inclusion3 decks4 decks
71%synergy
Merfolk Trickster
75%inclusion3 decks4 decks
73%synergy
Coralhelm Commander
50%inclusion2 decks4 decks
49%synergy
True-Name Nemesis
50%inclusion2 decks4 decks
49%synergy
River Sneak
50%inclusion2 decks4 decks
49%synergy
Mist-Cloaked Herald
50%inclusion2 decks4 decks
48%synergy
Mistcaller
50%inclusion2 decks4 decks
49%synergy
Tempest Caller
50%inclusion2 decks4 decks
49%synergy
Mist Dancer
50%inclusion2 decks4 decks
49%synergy
Azami, Lady of Scrolls
25%inclusion1 decks4 decks
21%synergy
Merfolk of the Pearl Trident
25%inclusion1 decks4 decks
25%synergy
Ambassador Laquatus
25%inclusion1 decks4 decks
25%synergy
Roaming Throne
25%inclusion1 decks4 decks
21%synergy
Tideshaper Mystic
25%inclusion1 decks4 decks
25%synergy
Mothdust Changeling
25%inclusion1 decks4 decks
24%synergy
Merfolk Looter
25%inclusion1 decks4 decks
23%synergy
Drift of Phantasms
25%inclusion1 decks4 decks
23%synergy
Forensic Researcher
25%inclusion1 decks4 decks
24%synergy
Merfolk Assassin
25%inclusion1 decks4 decks
25%synergy
Alandra, Sky Dreamer
25%inclusion1 decks4 decks
18%synergy
Enduring Curiosity
25%inclusion1 decks4 decks
19%synergy
Defiler of Dreams
25%inclusion1 decks4 decks
16%synergy
Drowner of Secrets
25%inclusion1 decks4 decks
25%synergy
Sakashima the Impostor
25%inclusion1 decks4 decks
22%synergy
Benthic Biomancer
25%inclusion1 decks4 decks
24%synergy
Phantasmal Image
25%inclusion1 decks4 decks
19%synergy
Merfolk Windrobber
25%inclusion1 decks4 decks
24%synergy
Empress Galina
25%inclusion1 decks4 decks
24%synergy
Wake Thrasher
25%inclusion1 decks4 decks
24%synergy
Tidebinder Mage
25%inclusion1 decks4 decks
25%synergy
Instants
Negate
75%inclusion3 decks4 decks
37%synergy
Pongify
50%inclusion2 decks4 decks
10%synergy
Rapid Hybridization
50%inclusion2 decks4 decks
16%synergy
Transcendent Message
50%inclusion2 decks4 decks
48%synergy
An Offer You Can't Refuse
50%inclusion2 decks4 decks
14%synergy
Brainstorm
50%inclusion2 decks4 decks
9%synergy
Aetherize
50%inclusion2 decks4 decks
22%synergy
Arcane Denial
50%inclusion2 decks4 decks
14%synergy
Thassa's Rebuff
50%inclusion2 decks4 decks
49%synergy
Muddle the Mixture
25%inclusion1 decks4 decks
9%synergy
Stubborn Denial
25%inclusion1 decks4 decks
22%synergy
Flare of Denial
25%inclusion1 decks4 decks
18%synergy
Mindbreak Trap
25%inclusion1 decks4 decks
20%synergy
Blue Elemental Blast
25%inclusion1 decks4 decks
24%synergy
Reality Shift
25%inclusion1 decks4 decks
-3%synergy
Mana Drain
25%inclusion1 decks4 decks
-2%synergy
Foil
25%inclusion1 decks4 decks
19%synergy
Resculpt
25%inclusion1 decks4 decks
6%synergy
Archmage's Charm
25%inclusion1 decks4 decks
9%synergy
Filter Out
25%inclusion1 decks4 decks
21%synergy
Swan Song
25%inclusion1 decks4 decks
-1%synergy
Cryptic Command
25%inclusion1 decks4 decks
14%synergy
Force of Negation
25%inclusion1 decks4 decks
10%synergy
Snap
25%inclusion1 decks4 decks
7%synergy
Wizard's Retort
25%inclusion1 decks4 decks
20%synergy
Memory Lapse
25%inclusion1 decks4 decks
22%synergy
Spell Pierce
25%inclusion1 decks4 decks
17%synergy
Sorceries
Aquitect's Will
75%inclusion3 decks4 decks
70%synergy
Distant Melody
50%inclusion2 decks4 decks
45%synergy
Raise the Palisade
50%inclusion2 decks4 decks
47%synergy
Ponder
25%inclusion1 decks4 decks
-5%synergy
Windfall
25%inclusion1 decks4 decks
2%synergy
Echo of Eons
25%inclusion1 decks4 decks
22%synergy
Sea Gate Restoration
25%inclusion1 decks4 decks
10%synergy
Temporal Manipulation
25%inclusion1 decks4 decks
21%synergy
Bribery
25%inclusion1 decks4 decks
21%synergy
Time Stretch
25%inclusion1 decks4 decks
21%synergy
Spectral Deluge
25%inclusion1 decks4 decks
14%synergy
Step Through
25%inclusion1 decks4 decks
20%synergy
Time Spiral
25%inclusion1 decks4 decks
24%synergy
Utility Artifacts
Sapphire Medallion
100%inclusion4 decks4 decks
43%synergy
Kefnet's Monument
50%inclusion2 decks4 decks
43%synergy
Herald's Horn
50%inclusion2 decks4 decks
48%synergy
Mindlink Mech
25%inclusion1 decks4 decks
25%synergy
Soul-Guide Lantern
25%inclusion1 decks4 decks
20%synergy
Robe of the Archmagi
25%inclusion1 decks4 decks
24%synergy
Banner of Kinship
25%inclusion1 decks4 decks
23%synergy
Vanquisher's Banner
25%inclusion1 decks4 decks
24%synergy
Door of Destinies
25%inclusion1 decks4 decks
24%synergy
Winter Moon
25%inclusion1 decks4 decks
20%synergy
Diviner's Wand
25%inclusion1 decks4 decks
24%synergy
Lightning Greaves
25%inclusion1 decks4 decks
-1%synergy
Throne of the God-Pharaoh
25%inclusion1 decks4 decks
24%synergy
Pariah's Shield
25%inclusion1 decks4 decks
25%synergy
Aether Vial
25%inclusion1 decks4 decks
25%synergy
Enchantments
Merrow Commerce
75%inclusion3 decks4 decks
74%synergy
Reflections of Littjara
75%inclusion3 decks4 decks
72%synergy
Spreading Seas
50%inclusion2 decks4 decks
49%synergy
Counterbalance
25%inclusion1 decks4 decks
21%synergy
Reconnaissance Mission
25%inclusion1 decks4 decks
18%synergy
Imprisoned in the Moon
25%inclusion1 decks4 decks
13%synergy
Unstoppable Plan
25%inclusion1 decks4 decks
18%synergy
Mystic Remora
25%inclusion1 decks4 decks
-2%synergy
Planeswalkers
Tamiyo, the Moon Sage
25%inclusion1 decks4 decks
23%synergy
Utility Lands
Mystic Sanctuary
100%inclusion4 decks4 decks
49%synergy
Svyelunite Temple
50%inclusion2 decks4 decks
49%synergy
Mutavault
50%inclusion2 decks4 decks
49%synergy
Nykthos, Shrine to Nyx
50%inclusion2 decks4 decks
34%synergy
Reliquary Tower
50%inclusion2 decks4 decks
-6%synergy
Castle Vantress
50%inclusion2 decks4 decks
31%synergy
Three Tree City
50%inclusion2 decks4 decks
47%synergy
Otawara, Soaring City
50%inclusion2 decks4 decks
25%synergy
Minamo, School at Water's Edge
25%inclusion1 decks4 decks
13%synergy
Rivendell
25%inclusion1 decks4 decks
13%synergy
Halimar Depths
25%inclusion1 decks4 decks
15%synergy
Saprazzan Skerry
25%inclusion1 decks4 decks
22%synergy
Mana Artifacts
Sol Ring
100%inclusion4 decks4 decks
15%synergy
Arcane Signet
75%inclusion3 decks4 decks
10%synergy
Thought Vessel
50%inclusion2 decks4 decks
-2%synergy
Sky Diamond
25%inclusion1 decks4 decks
1%synergy
Patchwork Banner
25%inclusion1 decks4 decks
22%synergy
Fellwar Stone
25%inclusion1 decks4 decks
5%synergy
Springleaf Drum
25%inclusion1 decks4 decks
22%synergy
Nyx Lotus
25%inclusion1 decks4 decks
21%synergy
Lands
Island
100%inclusion4 decks4 decks
7%synergy
Path of Ancestry
75%inclusion3 decks4 decks
71%synergy
Myriad Landscape
25%inclusion1 decks4 decks
-2%synergy
Sea Gate Restoration
25%inclusion1 decks4 decks
10%synergy
Cavern of Souls
25%inclusion1 decks4 decks
20%synergy
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