Svyelun of Sea and Sky (Commander) - Counterspells

Background image for 21 Best Merfolk Cards for Commander
Chris Guest
Jul 9, 2025
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Master of the Pearl Trident
88%inclusion14 decks16 decks
86%synergy
Merrow Reejerey
81%inclusion13 decks16 decks
80%synergy
Emperor Mihail II
75%inclusion12 decks16 decks
74%synergy
Deeproot Waters
75%inclusion12 decks16 decks
74%synergy
Kopala, Warden of Waves
75%inclusion12 decks16 decks
74%synergy
Vodalian Hexcatcher
75%inclusion12 decks16 decks
73%synergy
Merfolk Sovereign
75%inclusion12 decks16 decks
73%synergy
Stonybrook Banneret
75%inclusion12 decks16 decks
71%synergy
Merfolk Trickster
69%inclusion11 decks16 decks
67%synergy
Seafloor Oracle
63%inclusion10 decks16 decks
61%synergy
Top Cards
Counterspell
94%inclusion15 decks16 decks
27%synergy
Deeproot Pilgrimage
63%inclusion10 decks16 decks
61%synergy
Lullmage Mentor
63%inclusion10 decks16 decks
61%synergy
Mana Leak
63%inclusion10 decks16 decks
56%synergy
Wash Away
56%inclusion9 decks16 decks
51%synergy
Tide Shaper
56%inclusion9 decks16 decks
55%synergy
Bident of Thassa
56%inclusion9 decks16 decks
45%synergy
Thieving Skydiver
56%inclusion9 decks16 decks
52%synergy
Harbinger of the Tides
50%inclusion8 decks16 decks
49%synergy
Lord of Atlantis
50%inclusion8 decks16 decks
49%synergy
Game Changers
Rhystic Study
44%inclusion7 decks16 decks
10%synergy
Cyclonic Rift
38%inclusion6 decks16 decks
2%synergy
Force of Will
31%inclusion5 decks16 decks
13%synergy
Thassa's Oracle
25%inclusion4 decks16 decks
12%synergy
Fierce Guardianship
25%inclusion4 decks16 decks
2%synergy
Narset, Parter of Veils
19%inclusion3 decks16 decks
7%synergy
Mystical Tutor
19%inclusion3 decks16 decks
-6%synergy
Chrome Mox
13%inclusion2 decks16 decks
3%synergy
Mox Diamond
6.3%inclusion1 decks16 decks
1%synergy
Mana Vault
6.3%inclusion1 decks16 decks
-5%synergy
Creatures
Mindspring Merfolk
50%inclusion1 decks2 decks
49%synergy
Harbinger of the Seas
50%inclusion6 decks12 decks
41%synergy
Summon: Leviathan
50%inclusion1 decks2 decks
48%synergy
Deepchannel Mentor
44%inclusion7 decks16 decks
42%synergy
River Sneak
44%inclusion7 decks16 decks
43%synergy
Coralhelm Commander
38%inclusion6 decks16 decks
37%synergy
True-Name Nemesis
38%inclusion6 decks16 decks
37%synergy
Tishana's Tidebinder
38%inclusion6 decks16 decks
33%synergy
Thassa, God of the Sea
38%inclusion6 decks16 decks
34%synergy
Cursecatcher
38%inclusion6 decks16 decks
36%synergy
Mist Dancer
38%inclusion6 decks16 decks
37%synergy
Merrow Harbinger
31%inclusion5 decks16 decks
30%synergy
Rishadan Dockhand
31%inclusion5 decks16 decks
31%synergy
Seahunter
31%inclusion5 decks16 decks
31%synergy
Tidal Warrior
31%inclusion5 decks16 decks
31%synergy
Thada Adel, Acquisitor
31%inclusion5 decks16 decks
29%synergy
Tempest Caller
31%inclusion5 decks16 decks
30%synergy
Silvergill Adept
31%inclusion5 decks16 decks
31%synergy
Master of Waves
25%inclusion4 decks16 decks
21%synergy
Merfolk Looter
25%inclusion4 decks16 decks
23%synergy
Triton Shorestalker
25%inclusion4 decks16 decks
23%synergy
Alandra, Sky Dreamer
25%inclusion4 decks16 decks
18%synergy
Drake Hatcher
20%inclusion1 decks5 decks
19%synergy
Kiora, the Rising Tide
20%inclusion1 decks5 decks
17%synergy
Cosi's Trickster
19%inclusion3 decks16 decks
18%synergy
Subtlety
19%inclusion3 decks16 decks
18%synergy
Surgespanner
19%inclusion3 decks16 decks
18%synergy
Streambed Aquitects
19%inclusion3 decks16 decks
18%synergy
Dakra Mystic
19%inclusion3 decks16 decks
18%synergy
Mist-Cloaked Herald
19%inclusion3 decks16 decks
16%synergy
Mistcaller
19%inclusion3 decks16 decks
18%synergy
Wanderwine Prophets
19%inclusion3 decks16 decks
18%synergy
Faerie Mastermind
19%inclusion3 decks16 decks
5%synergy
Tidal Courier
19%inclusion3 decks16 decks
19%synergy
Wake Thrasher
19%inclusion3 decks16 decks
18%synergy
Floodpits Drowner
17%inclusion1 decks6 decks
16%synergy
Abhorrent Oculus
17%inclusion1 decks6 decks
16%synergy
Stormtide Leviathan
13%inclusion2 decks16 decks
5%synergy
Metallic Mimic
13%inclusion2 decks16 decks
11%synergy
Wonder
13%inclusion2 decks16 decks
7%synergy
Snapcaster Mage
13%inclusion2 decks16 decks
6%synergy
Phyrexian Metamorph
13%inclusion2 decks16 decks
-6%synergy
Malcolm, Alluring Scoundrel
13%inclusion2 decks16 decks
8%synergy
Tideshaper Mystic
13%inclusion2 decks16 decks
12%synergy
Merfolk Wayfinder
13%inclusion2 decks16 decks
12%synergy
Sailors' Bane
13%inclusion2 decks16 decks
12%synergy
Rootwater Thief
13%inclusion2 decks16 decks
12%synergy
Waterspout Weavers
13%inclusion2 decks16 decks
12%synergy
Murktide Regent
13%inclusion2 decks16 decks
12%synergy
Cleric of Chill Depths
13%inclusion2 decks16 decks
12%synergy
Instants
Negate
44%inclusion7 decks16 decks
5%synergy
Daze
44%inclusion7 decks16 decks
42%synergy
High Tide
44%inclusion7 decks16 decks
-1%synergy
Archmage's Charm
38%inclusion6 decks16 decks
21%synergy
Arcane Denial
38%inclusion6 decks16 decks
2%synergy
Spell Pierce
38%inclusion6 decks16 decks
29%synergy
Flare of Denial
33%inclusion4 decks12 decks
27%synergy
Pongify
31%inclusion5 decks16 decks
-9%synergy
Brainstorm
31%inclusion5 decks16 decks
-10%synergy
Dispel
31%inclusion5 decks16 decks
22%synergy
Tale's End
31%inclusion5 decks16 decks
28%synergy
Cryptic Command
31%inclusion5 decks16 decks
20%synergy
Miscast
31%inclusion5 decks16 decks
28%synergy
Rapid Hybridization
25%inclusion4 decks16 decks
-9%synergy
Mental Misstep
25%inclusion4 decks16 decks
18%synergy
Spell Snare
25%inclusion4 decks16 decks
24%synergy
Reality Shift
25%inclusion4 decks16 decks
-3%synergy
Mana Drain
25%inclusion4 decks16 decks
-2%synergy
Swan Song
25%inclusion4 decks16 decks
-1%synergy
Force of Negation
25%inclusion4 decks16 decks
10%synergy
Snap
25%inclusion4 decks16 decks
7%synergy
Thassa's Rebuff
25%inclusion4 decks16 decks
24%synergy
Misdirection
25%inclusion4 decks16 decks
20%synergy
Mystic Confluence
25%inclusion4 decks16 decks
15%synergy
Annul
25%inclusion4 decks16 decks
23%synergy
Narset's Reversal
25%inclusion4 decks16 decks
13%synergy
Remand
25%inclusion4 decks16 decks
22%synergy
Consign to Memory
20%inclusion2 decks10 decks
19%synergy
Lose Focus
19%inclusion3 decks16 decks
18%synergy
An Offer You Can't Refuse
19%inclusion3 decks16 decks
-17%synergy
Stern Scolding
19%inclusion3 decks16 decks
18%synergy
Defabricate
19%inclusion3 decks16 decks
16%synergy
Aetherize
19%inclusion3 decks16 decks
-9%synergy
Resculpt
19%inclusion3 decks16 decks
-1%synergy
Flusterstorm
19%inclusion3 decks16 decks
9%synergy
Force Spike
19%inclusion3 decks16 decks
18%synergy
Change the Equation
19%inclusion3 decks16 decks
18%synergy
Flow of Knowledge
19%inclusion3 decks16 decks
2%synergy
Memory Lapse
19%inclusion3 decks16 decks
16%synergy
Brainsurge
17%inclusion2 decks12 decks
9%synergy
Sink into Stupor
17%inclusion2 decks12 decks
-4%synergy
Whir of Invention
13%inclusion2 decks16 decks
-1%synergy
Frantic Search
13%inclusion2 decks16 decks
-17%synergy
Dissolve
13%inclusion2 decks16 decks
9%synergy
Overwhelming Denial
13%inclusion2 decks16 decks
12%synergy
Essence Scatter
13%inclusion2 decks16 decks
9%synergy
Mindbreak Trap
13%inclusion2 decks16 decks
7%synergy
Dissipate
13%inclusion2 decks16 decks
10%synergy
Consider
13%inclusion2 decks16 decks
-2%synergy
Divert
13%inclusion2 decks16 decks
12%synergy
Sorceries
Aquitect's Will
38%inclusion6 decks16 decks
32%synergy
Distant Melody
25%inclusion4 decks16 decks
20%synergy
Rite of Replication
25%inclusion4 decks16 decks
18%synergy
Gitaxian Probe
19%inclusion3 decks16 decks
7%synergy
Lórien Revealed
19%inclusion3 decks16 decks
10%synergy
Preordain
19%inclusion3 decks16 decks
-6%synergy
Ravenform
19%inclusion3 decks16 decks
8%synergy
Ponder
13%inclusion2 decks16 decks
-17%synergy
Inundate
13%inclusion2 decks16 decks
11%synergy
Hard Evidence
13%inclusion2 decks16 decks
11%synergy
Crashing Tide
13%inclusion2 decks16 decks
12%synergy
Wash Out
13%inclusion2 decks16 decks
7%synergy
Curse of the Swine
13%inclusion2 decks16 decks
0%synergy
Raise the Palisade
13%inclusion2 decks16 decks
10%synergy
Research the Deep
6.3%inclusion1 decks16 decks
6%synergy
Wave Goodbye
6.3%inclusion1 decks16 decks
6%synergy
Windfall
6.3%inclusion1 decks16 decks
-17%synergy
Blue Sun's Twilight
6.3%inclusion1 decks16 decks
3%synergy
Mind Spring
6.3%inclusion1 decks16 decks
5%synergy
Flood of Tears
6.3%inclusion1 decks16 decks
3%synergy
Telemin Performance
6.3%inclusion1 decks16 decks
6%synergy
Fabricate
6.3%inclusion1 decks16 decks
-16%synergy
Sea Gate Restoration
6.3%inclusion1 decks16 decks
-8%synergy
Treasure Cruise
6.3%inclusion1 decks16 decks
-5%synergy
Kefnet's Last Word
6.3%inclusion1 decks16 decks
6%synergy
Mass Manipulation
6.3%inclusion1 decks16 decks
4%synergy
Invoke the Winds
6.3%inclusion1 decks16 decks
4%synergy
Day's Undoing
6.3%inclusion1 decks16 decks
5%synergy
Reduce to Dreams
6.3%inclusion1 decks16 decks
6%synergy
Merchant Scroll
6.3%inclusion1 decks16 decks
-4%synergy
Personal Tutor
6.3%inclusion1 decks16 decks
2%synergy
Sleep
6.3%inclusion1 decks16 decks
5%synergy
Baral's Expertise
6.3%inclusion1 decks16 decks
4%synergy
Spectral Deluge
6.3%inclusion1 decks16 decks
-5%synergy
Secrets of the Golden City
6.3%inclusion1 decks16 decks
6%synergy
River's Rebuke
6.3%inclusion1 decks16 decks
3%synergy
Breakthrough
6.3%inclusion1 decks16 decks
6%synergy
Time Warp
6.3%inclusion1 decks16 decks
0%synergy
Flow of Ideas
6.3%inclusion1 decks16 decks
2%synergy
Whelming Wave
6.3%inclusion1 decks16 decks
2%synergy
Solve the Equation
6.3%inclusion1 decks16 decks
-7%synergy
Entrancing Melody
6.3%inclusion1 decks16 decks
6%synergy
Utility Artifacts
Winter Moon
33%inclusion4 decks12 decks
29%synergy
Vanquisher's Banner
25%inclusion4 decks16 decks
24%synergy
Kefnet's Monument
25%inclusion4 decks16 decks
18%synergy
Lightning Greaves
25%inclusion4 decks16 decks
-1%synergy
Sapphire Medallion
25%inclusion4 decks16 decks
-31%synergy
Herald's Horn
19%inclusion3 decks16 decks
17%synergy
Quicksilver Fountain
13%inclusion2 decks16 decks
11%synergy
Staff of the Mind Magus
13%inclusion2 decks16 decks
12%synergy
Icon of Ancestry
13%inclusion2 decks16 decks
12%synergy
Shadowspear
13%inclusion2 decks16 decks
11%synergy
Swiftfoot Boots
13%inclusion2 decks16 decks
-16%synergy
Vedalken Shackles
13%inclusion2 decks16 decks
10%synergy
Vexing Bauble
9.1%inclusion1 decks11 decks
7%synergy
Static Orb
6.3%inclusion1 decks16 decks
3%synergy
Sensei's Divining Top
6.3%inclusion1 decks16 decks
-9%synergy
Umezawa's Jitte
6.3%inclusion1 decks16 decks
6%synergy
Winter Orb
6.3%inclusion1 decks16 decks
1%synergy
Wayfarer's Bauble
6.3%inclusion1 decks16 decks
-12%synergy
Brittle Effigy
6.3%inclusion1 decks16 decks
6%synergy
The One Ring
6.3%inclusion1 decks16 decks
-6%synergy
Veilstone Amulet
6.3%inclusion1 decks16 decks
6%synergy
Mantle of Tides
6.3%inclusion1 decks16 decks
6%synergy
Vedalken Orrery
6.3%inclusion1 decks16 decks
3%synergy
Trinisphere
6.3%inclusion1 decks16 decks
4%synergy
Stone of Erech
6.3%inclusion1 decks16 decks
5%synergy
Silent Gravestone
6.3%inclusion1 decks16 decks
6%synergy
Torpor Orb
6.3%inclusion1 decks16 decks
4%synergy
Currency Converter
6.3%inclusion1 decks16 decks
6%synergy
Doubling Cube
6.3%inclusion1 decks16 decks
6%synergy
Door of Destinies
6.3%inclusion1 decks16 decks
5%synergy
Winged Boots
6.3%inclusion1 decks16 decks
3%synergy
Urza's Incubator
6.3%inclusion1 decks16 decks
5%synergy
Isochron Scepter
6.3%inclusion1 decks16 decks
-12%synergy
Aether Vial
6.3%inclusion1 decks16 decks
6%synergy
Enchantments
Unable to Scream
50%inclusion3 decks6 decks
46%synergy
Kindred Discovery
44%inclusion7 decks16 decks
37%synergy
Reflections of Littjara
44%inclusion7 decks16 decks
40%synergy
Mystic Remora
38%inclusion6 decks16 decks
10%synergy
Merrow Commerce
38%inclusion6 decks16 decks
36%synergy
Witness Protection
31%inclusion5 decks16 decks
25%synergy
Eaten by Piranhas
20%inclusion3 decks15 decks
17%synergy
Back to Basics
19%inclusion3 decks16 decks
11%synergy
Wizard Class
19%inclusion3 decks16 decks
2%synergy
Coastal Piracy
19%inclusion3 decks16 decks
15%synergy
Aquatic Incursion
19%inclusion3 decks16 decks
18%synergy
Amphibian Downpour
18%inclusion2 decks11 decks
13%synergy
Reconnaissance Mission
13%inclusion2 decks16 decks
5%synergy
Curiosity
13%inclusion2 decks16 decks
10%synergy
Military Intelligence
13%inclusion2 decks16 decks
11%synergy
Treachery
13%inclusion2 decks16 decks
11%synergy
Leyline of Anticipation
13%inclusion2 decks16 decks
3%synergy
Spreading Seas
13%inclusion2 decks16 decks
11%synergy
Lost in the Maze
7.7%inclusion1 decks13 decks
6%synergy
Counterbalance
6.3%inclusion1 decks16 decks
2%synergy
Illusory Gains
6.3%inclusion1 decks16 decks
6%synergy
Teferi's Ageless Insight
6.3%inclusion1 decks16 decks
-11%synergy
Frogify
6.3%inclusion1 decks16 decks
5%synergy
Aqueous Form
6.3%inclusion1 decks16 decks
1%synergy
Imprisoned in the Moon
6.3%inclusion1 decks16 decks
-6%synergy
Douse
6.3%inclusion1 decks16 decks
6%synergy
Sunken Field
6.3%inclusion1 decks16 decks
6%synergy
Sigil of Sleep
6.3%inclusion1 decks16 decks
6%synergy
Followed Footsteps
6.3%inclusion1 decks16 decks
5%synergy
Fishliver Oil
6.3%inclusion1 decks16 decks
6%synergy
Copy Artifact
6.3%inclusion1 decks16 decks
3%synergy
Overburden
6.3%inclusion1 decks16 decks
5%synergy
Thought Lash
6.3%inclusion1 decks16 decks
6%synergy
Bind the Monster
6.3%inclusion1 decks16 decks
6%synergy
One With the Wind
6.3%inclusion1 decks16 decks
6%synergy
Threads of Disloyalty
6.3%inclusion1 decks16 decks
6%synergy
Tricks of the Trade
6.3%inclusion1 decks16 decks
6%synergy
Stasis
6.3%inclusion1 decks16 decks
6%synergy
Insight
6.3%inclusion1 decks16 decks
5%synergy
Call to the Kindred
6.3%inclusion1 decks16 decks
6%synergy
Control Magic
6.3%inclusion1 decks16 decks
4%synergy
Mind's Dilation
6.3%inclusion1 decks16 decks
5%synergy
Confiscate
6.3%inclusion1 decks16 decks
5%synergy
Propaganda
6.3%inclusion1 decks16 decks
-23%synergy
Arcane Laboratory
6.3%inclusion1 decks16 decks
6%synergy
Thassa's Ire
6.3%inclusion1 decks16 decks
6%synergy
Combat Research
6.3%inclusion1 decks16 decks
4%synergy
Planeswalkers
Jace, the Mind Sculptor
6.3%inclusion1 decks16 decks
3%synergy
Utility Lands
Mystic Sanctuary
50%inclusion8 decks16 decks
-1%synergy
Otawara, Soaring City
44%inclusion7 decks16 decks
19%synergy
Reliquary Tower
31%inclusion5 decks16 decks
-25%synergy
Hall of Storm Giants
25%inclusion4 decks16 decks
22%synergy
Lonely Sandbar
25%inclusion4 decks16 decks
10%synergy
Castle Vantress
25%inclusion4 decks16 decks
6%synergy
Rivendell
19%inclusion3 decks16 decks
7%synergy
Minamo, School at Water's Edge
13%inclusion2 decks16 decks
1%synergy
Seat of the Synod
13%inclusion2 decks16 decks
-5%synergy
Halimar Depths
13%inclusion2 decks16 decks
2%synergy
Urza's Saga
13%inclusion2 decks16 decks
-4%synergy
Desert of the Mindful
13%inclusion2 decks16 decks
9%synergy
Nykthos, Shrine to Nyx
13%inclusion2 decks16 decks
-4%synergy
Rogue's Passage
13%inclusion2 decks16 decks
-2%synergy
Fountainport
10%inclusion1 decks10 decks
8%synergy
Sunken Palace
10%inclusion1 decks10 decks
6%synergy
Wasteland
6.3%inclusion1 decks16 decks
5%synergy
Remote Isle
6.3%inclusion1 decks16 decks
1%synergy
Maze of Ith
6.3%inclusion1 decks16 decks
1%synergy
Coral Atoll
6.3%inclusion1 decks16 decks
2%synergy
Riptide Laboratory
6.3%inclusion1 decks16 decks
-5%synergy
Tolaria West
6.3%inclusion1 decks16 decks
0%synergy
Blighted Cataract
6.3%inclusion1 decks16 decks
5%synergy
Svyelunite Temple
6.3%inclusion1 decks16 decks
6%synergy
Mishra's Factory
6.3%inclusion1 decks16 decks
5%synergy
Mutavault
6.3%inclusion1 decks16 decks
5%synergy
War Room
6.3%inclusion1 decks16 decks
-10%synergy
Skyline Cascade
6.3%inclusion1 decks16 decks
5%synergy
Hidden Cataract
6.3%inclusion1 decks16 decks
4%synergy
Academy Ruins
6.3%inclusion1 decks16 decks
-12%synergy
Cephalid Coliseum
6.3%inclusion1 decks16 decks
-3%synergy
Strip Mine
6.3%inclusion1 decks16 decks
3%synergy
Field of Ruin
6.3%inclusion1 decks16 decks
4%synergy
Mana Artifacts
Sol Ring
75%inclusion12 decks16 decks
-11%synergy
Arcane Signet
50%inclusion8 decks16 decks
-15%synergy
Thought Vessel
25%inclusion4 decks16 decks
-27%synergy
Sky Diamond
19%inclusion3 decks16 decks
-5%synergy
Jeweled Lotus
13%inclusion2 decks16 decks
8%synergy
Heraldic Banner
13%inclusion2 decks16 decks
7%synergy
Mind Stone
13%inclusion2 decks16 decks
-25%synergy
Caged Sun
6.3%inclusion1 decks16 decks
-6%synergy
Mana Crypt
6.3%inclusion1 decks16 decks
2%synergy
Lotus Petal
6.3%inclusion1 decks16 decks
-6%synergy
Mox Amber
6.3%inclusion1 decks16 decks
-1%synergy
Fellwar Stone
6.3%inclusion1 decks16 decks
-14%synergy
Springleaf Drum
6.3%inclusion1 decks16 decks
3%synergy
Midnight Clock
6.3%inclusion1 decks16 decks
-15%synergy
Mox Opal
6.3%inclusion1 decks16 decks
-4%synergy
Lands
Island
94%inclusion15 decks16 decks
0%synergy
Misty Rainforest
31%inclusion5 decks16 decks
23%synergy
Cavern of Souls
25%inclusion4 decks16 decks
20%synergy
Scalding Tarn
25%inclusion4 decks16 decks
17%synergy
Polluted Delta
25%inclusion4 decks16 decks
17%synergy
Flooded Strand
25%inclusion4 decks16 decks
17%synergy
Myriad Landscape
19%inclusion3 decks16 decks
-8%synergy
Sink into Stupor
17%inclusion2 decks12 decks
-4%synergy
Terramorphic Expanse
13%inclusion2 decks16 decks
9%synergy
Demolition Field
13%inclusion2 decks16 decks
7%synergy
Jwari Disruption
13%inclusion2 decks16 decks
8%synergy
Evolving Wilds
13%inclusion2 decks16 decks
8%synergy
Path of Ancestry
13%inclusion2 decks16 decks
8%synergy
Prismatic Vista
6.3%inclusion1 decks16 decks
2%synergy
Fabled Passage
6.3%inclusion1 decks16 decks
4%synergy
Sea Gate Restoration
6.3%inclusion1 decks16 decks
-8%synergy
Snow-Covered Island
6.3%inclusion1 decks16 decks
-2%synergy
Grixis Panorama
6.3%inclusion1 decks16 decks
6%synergy
Secluded Courtyard
6.3%inclusion1 decks16 decks
6%synergy
Beyeen Veil
6.3%inclusion1 decks16 decks
5%synergy
Gemstone Caverns
6.3%inclusion1 decks16 decks
0%synergy