Kopala, Warden of Waves (Commander)

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
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Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Pestered Wellguard
40%inclusion2 decks5 decks
40%synergy
Harmonized Crescendo
20%inclusion1 decks5 decks
17%synergy
Omni-Changeling
20%inclusion1 decks5 decks
19%synergy
Gravelgill Scoundrel
20%inclusion1 decks5 decks
20%synergy
Noggle the Mind
20%inclusion1 decks5 decks
19%synergy
High Synergy Cards
Merfolk Sovereign
91%inclusion80 decks88 decks
89%synergy
Master of the Pearl Trident
89%inclusion78 decks88 decks
87%synergy
Deeproot Waters
86%inclusion76 decks88 decks
85%synergy
Merrow Reejerey
86%inclusion76 decks88 decks
85%synergy
Svyelun of Sea and Sky
81%inclusion71 decks88 decks
80%synergy
Stonybrook Banneret
82%inclusion72 decks88 decks
78%synergy
Emperor Mihail II
78%inclusion69 decks88 decks
77%synergy
Seafloor Oracle
70%inclusion62 decks88 decks
69%synergy
Deeproot Pilgrimage
68%inclusion60 decks88 decks
67%synergy
Harbinger of the Tides
64%inclusion56 decks88 decks
62%synergy
Top Cards
Vodalian Hexcatcher
64%inclusion56 decks88 decks
62%synergy
Lord of Atlantis
64%inclusion56 decks88 decks
62%synergy
Mist Dancer
63%inclusion55 decks88 decks
62%synergy
Counterspell
61%inclusion54 decks88 decks
-5%synergy
Deepchannel Mentor
58%inclusion51 decks88 decks
57%synergy
Coralhelm Commander
57%inclusion50 decks88 decks
56%synergy
Sapphire Medallion
56%inclusion49 decks88 decks
-2%synergy
Negate
55%inclusion48 decks88 decks
16%synergy
Tempest Caller
55%inclusion48 decks88 decks
54%synergy
Merrow Commerce
53%inclusion47 decks88 decks
52%synergy
Game Changers
Cyclonic Rift
25%inclusion22 decks88 decks
-9%synergy
Rhystic Study
20%inclusion18 decks88 decks
-13%synergy
Thassa's Oracle
11%inclusion10 decks88 decks
-2%synergy
Mystical Tutor
10%inclusion9 decks88 decks
-13%synergy
Fierce Guardianship
9.1%inclusion8 decks88 decks
-14%synergy
Narset, Parter of Veils
6.8%inclusion6 decks88 decks
-4%synergy
Force of Will
5.7%inclusion5 decks88 decks
-12%synergy
Creatures
Merrow Harbinger
52%inclusion46 decks88 decks
51%synergy
Lullmage Mentor
51%inclusion45 decks88 decks
49%synergy
Thieving Skydiver
51%inclusion45 decks88 decks
47%synergy
River Sneak
50%inclusion44 decks88 decks
49%synergy
Mist-Cloaked Herald
47%inclusion41 decks88 decks
44%synergy
Harbinger of the Seas
45%inclusion37 decks83 decks
36%synergy
Triton Shorestalker
43%inclusion38 decks88 decks
41%synergy
Streambed Aquitects
42%inclusion37 decks88 decks
42%synergy
Merfolk Trickster
42%inclusion37 decks88 decks
41%synergy
Tide Shaper
41%inclusion36 decks88 decks
40%synergy
Seahunter
36%inclusion32 decks88 decks
36%synergy
Wanderwine Prophets
36%inclusion32 decks88 decks
36%synergy
Wake Thrasher
35%inclusion31 decks88 decks
35%synergy
Tishana's Tidebinder
34%inclusion30 decks88 decks
29%synergy
Master of Waves
34%inclusion30 decks88 decks
30%synergy
Talrand, Sky Summoner
34%inclusion30 decks88 decks
20%synergy
Silvergill Adept
32%inclusion28 decks88 decks
31%synergy
True-Name Nemesis
32%inclusion28 decks88 decks
31%synergy
Stormtide Leviathan
30%inclusion26 decks88 decks
23%synergy
Tidal Warrior
30%inclusion26 decks88 decks
29%synergy
Tidal Courier
25%inclusion22 decks88 decks
25%synergy
Callaphe, Beloved of the Sea
25%inclusion22 decks88 decks
24%synergy
Merfolk Looter
25%inclusion22 decks88 decks
23%synergy
Cursecatcher
25%inclusion22 decks88 decks
23%synergy
Scroll Thief
24%inclusion21 decks88 decks
23%synergy
Merfolk Wayfinder
23%inclusion20 decks88 decks
22%synergy
Kiora, the Rising Tide
23%inclusion15 decks66 decks
20%synergy
Slinn Voda, the Rising Deep
22%inclusion19 decks88 decks
20%synergy
Gray Harbor Merfolk
22%inclusion19 decks88 decks
21%synergy
Tidebinder Mage
20%inclusion18 decks88 decks
20%synergy
Rishadan Dockhand
19%inclusion17 decks88 decks
19%synergy
Library Larcenist
18%inclusion16 decks88 decks
17%synergy
Herald of Secret Streams
18%inclusion16 decks88 decks
17%synergy
Thada Adel, Acquisitor
18%inclusion16 decks88 decks
16%synergy
Mindspring Merfolk
18%inclusion10 decks56 decks
17%synergy
Brineborn Cutthroat
17%inclusion15 decks88 decks
16%synergy
Augur of Bolas
17%inclusion15 decks88 decks
16%synergy
Floodpits Drowner
17%inclusion12 decks72 decks
15%synergy
Mistcaller
16%inclusion14 decks88 decks
15%synergy
Alandra, Sky Dreamer
16%inclusion14 decks88 decks
9%synergy
Empress Galina
16%inclusion14 decks88 decks
15%synergy
Metallic Mimic
16%inclusion14 decks88 decks
15%synergy
Fallowsage
15%inclusion13 decks88 decks
14%synergy
Surgespanner
14%inclusion12 decks88 decks
13%synergy
Thassa, God of the Sea
14%inclusion12 decks88 decks
10%synergy
Merfolk Spy
14%inclusion12 decks88 decks
13%synergy
Namor the Sub-Mariner
13%inclusion2 decks15 decks
13%synergy
Attuma, Atlantean Warlord
13%inclusion2 decks15 decks
12%synergy
Silvergill Douser
11%inclusion10 decks88 decks
11%synergy
Watertrap Weaver
11%inclusion10 decks88 decks
11%synergy
Instants
Aetherize
45%inclusion40 decks88 decks
16%synergy
High Tide
42%inclusion37 decks88 decks
-2%synergy
Cancel
34%inclusion30 decks88 decks
29%synergy
Pongify
34%inclusion30 decks88 decks
-6%synergy
Rewind
33%inclusion29 decks88 decks
20%synergy
Brainstorm
28%inclusion25 decks88 decks
-13%synergy
Arcane Denial
25%inclusion22 decks88 decks
-11%synergy
Thassa's Rebuff
25%inclusion22 decks88 decks
24%synergy
Rapid Hybridization
25%inclusion22 decks88 decks
-10%synergy
Mana Leak
23%inclusion20 decks88 decks
16%synergy
Opt
23%inclusion20 decks88 decks
-2%synergy
Flare of Denial
20%inclusion17 decks85 decks
13%synergy
Glen Elendra's Answer
20%inclusion1 decks5 decks
19%synergy
Unsummon
18%inclusion16 decks88 decks
14%synergy
Cryptic Command
16%inclusion14 decks88 decks
4%synergy
Spell Pierce
16%inclusion14 decks88 decks
7%synergy
Essence Scatter
15%inclusion13 decks88 decks
11%synergy
An Offer You Can't Refuse
15%inclusion13 decks88 decks
-22%synergy
Disallow
14%inclusion12 decks88 decks
7%synergy
Filter Out
14%inclusion12 decks88 decks
10%synergy
Reality Shift
14%inclusion12 decks88 decks
-14%synergy
Archmage's Charm
13%inclusion11 decks88 decks
-4%synergy
Swan Song
13%inclusion11 decks88 decks
-14%synergy
Wizard's Retort
13%inclusion11 decks88 decks
8%synergy
Mana Drain
13%inclusion11 decks88 decks
-14%synergy
Unwind
11%inclusion10 decks88 decks
1%synergy
Engulf the Shore
10%inclusion9 decks88 decks
2%synergy
Dispel
10%inclusion9 decks88 decks
1%synergy
Misdirection
8.0%inclusion7 decks88 decks
3%synergy
Resculpt
8.0%inclusion7 decks88 decks
-10%synergy
Saw It Coming
8.0%inclusion7 decks88 decks
5%synergy
Snap
8.0%inclusion7 decks88 decks
-11%synergy
Dramatic Reversal
8.0%inclusion7 decks88 decks
-12%synergy
Disdainful Stroke
8.0%inclusion7 decks88 decks
3%synergy
Consider
8.0%inclusion7 decks88 decks
-7%synergy
Mystic Confluence
8.0%inclusion7 decks88 decks
-1%synergy
Didn't Say Please
6.8%inclusion6 decks88 decks
2%synergy
Dissolve
6.8%inclusion6 decks88 decks
4%synergy
Sink into Stupor
6.0%inclusion5 decks83 decks
-16%synergy
Frantic Search
5.7%inclusion5 decks88 decks
-24%synergy
Dissipate
5.7%inclusion5 decks88 decks
3%synergy
Jwari Disruption
5.7%inclusion5 decks88 decks
1%synergy
Thassa's Intervention
5.7%inclusion5 decks88 decks
5%synergy
Sorceries
Aquitect's Will
42%inclusion37 decks88 decks
37%synergy
Distant Melody
40%inclusion35 decks88 decks
35%synergy
Raise the Palisade
32%inclusion28 decks88 decks
29%synergy
Crashing Tide
24%inclusion21 decks88 decks
24%synergy
Ponder
23%inclusion20 decks88 decks
-7%synergy
Curse of the Swine
19%inclusion17 decks88 decks
8%synergy
River's Rebuke
17%inclusion15 decks88 decks
14%synergy
Rite of Replication
15%inclusion13 decks88 decks
8%synergy
Sleep
14%inclusion12 decks88 decks
12%synergy
Ravenform
13%inclusion11 decks88 decks
3%synergy
Preordain
13%inclusion11 decks88 decks
-11%synergy
Wash Out
9.1%inclusion8 decks88 decks
4%synergy
Chart a Course
8.0%inclusion7 decks88 decks
4%synergy
Flow of Ideas
8.0%inclusion7 decks88 decks
3%synergy
Inundate
6.8%inclusion6 decks88 decks
5%synergy
Windfall
5.7%inclusion5 decks88 decks
-17%synergy
Divination
5.7%inclusion5 decks88 decks
4%synergy
Treasure Cruise
5.7%inclusion5 decks88 decks
-5%synergy
Spectral Deluge
5.7%inclusion5 decks88 decks
-5%synergy
Crashing Wave
5.6%inclusion1 decks18 decks
4%synergy
Utility Artifacts
Bident of Thassa
51%inclusion45 decks88 decks
39%synergy
Kefnet's Monument
48%inclusion42 decks88 decks
41%synergy
Vanquisher's Banner
41%inclusion36 decks88 decks
40%synergy
Herald's Horn
32%inclusion28 decks88 decks
30%synergy
Door of Destinies
27%inclusion24 decks88 decks
26%synergy
Chronicle of Victory
20%inclusion1 decks5 decks
19%synergy
Dawn-Blessed Pennant
20%inclusion1 decks5 decks
20%synergy
Icon of Ancestry
19%inclusion17 decks88 decks
19%synergy
Quicksilver Fountain
17%inclusion15 decks88 decks
15%synergy
Swiftfoot Boots
17%inclusion15 decks88 decks
-11%synergy
Lightning Greaves
15%inclusion13 decks88 decks
-11%synergy
Coat of Arms
15%inclusion13 decks88 decks
13%synergy
Urza's Incubator
11%inclusion10 decks88 decks
10%synergy
Banner of Kinship
11%inclusion7 decks66 decks
8%synergy
Wayfarer's Bauble
10%inclusion9 decks88 decks
-8%synergy
Obelisk of Urd
8.0%inclusion7 decks88 decks
7%synergy
Blue Mage's Cane
7.0%inclusion3 decks43 decks
7%synergy
Staff of the Mind Magus
6.8%inclusion6 decks88 decks
6%synergy
Stoneforge Masterwork
6.8%inclusion6 decks88 decks
7%synergy
Skullclamp
5.7%inclusion5 decks88 decks
0%synergy
Enchantments
Kindred Discovery
51%inclusion45 decks88 decks
44%synergy
Reflections of Littjara
51%inclusion45 decks88 decks
48%synergy
Aquatic Incursion
39%inclusion34 decks88 decks
38%synergy
Propaganda
33%inclusion29 decks88 decks
3%synergy
Spreading Seas
20%inclusion18 decks88 decks
19%synergy
Blossombind
20%inclusion1 decks5 decks
20%synergy
Wizard Class
17%inclusion15 decks88 decks
0%synergy
Reconnaissance Mission
17%inclusion15 decks88 decks
10%synergy
Leyline of Anticipation
15%inclusion13 decks88 decks
5%synergy
Coastal Piracy
13%inclusion11 decks88 decks
8%synergy
Imprisoned in the Moon
13%inclusion11 decks88 decks
0%synergy
Witness Protection
11%inclusion10 decks88 decks
6%synergy
Mystic Remora
11%inclusion10 decks88 decks
-16%synergy
Kasmina's Transmutation
10%inclusion9 decks88 decks
9%synergy
Monastery Siege
9.1%inclusion8 decks88 decks
8%synergy
Intruder Alarm
8.0%inclusion7 decks88 decks
5%synergy
Curiosity
8.0%inclusion7 decks88 decks
5%synergy
Extravagant Replication
6.8%inclusion6 decks88 decks
4%synergy
Sea's Claim
6.8%inclusion6 decks88 decks
7%synergy
Teferi's Ageless Insight
6.8%inclusion6 decks88 decks
-10%synergy
Aqueous Form
5.7%inclusion5 decks88 decks
0%synergy
Military Intelligence
5.7%inclusion5 decks88 decks
4%synergy
Ominous Seas
5.7%inclusion5 decks88 decks
-5%synergy
Chakra Meditation
5.6%inclusion1 decks18 decks
5%synergy
Planeswalkers
Teferi, Temporal Pilgrim
6.8%inclusion6 decks88 decks
2%synergy
Jace, Unraveler of Secrets
5.7%inclusion5 decks88 decks
4%synergy
Jace, the Mind Sculptor
5.7%inclusion5 decks88 decks
3%synergy
Utility Lands
Reliquary Tower
48%inclusion42 decks88 decks
-9%synergy
Mystic Sanctuary
38%inclusion33 decks88 decks
-13%synergy
Nykthos, Shrine to Nyx
27%inclusion24 decks88 decks
11%synergy
Halimar Depths
27%inclusion24 decks88 decks
17%synergy
Lonely Sandbar
20%inclusion18 decks88 decks
6%synergy
Castle Vantress
19%inclusion17 decks88 decks
1%synergy
Rogue's Passage
19%inclusion17 decks88 decks
4%synergy
Three Tree City
13%inclusion10 decks78 decks
9%synergy
Temple of the False God
13%inclusion11 decks88 decks
2%synergy
Rivendell
13%inclusion11 decks88 decks
1%synergy
Otawara, Soaring City
11%inclusion10 decks88 decks
-14%synergy
Agna Qel'a
11%inclusion2 decks18 decks
3%synergy
Riptide Laboratory
10%inclusion9 decks88 decks
0%synergy
Jidoor, Aristocratic Capital
9.3%inclusion4 decks43 decks
5%synergy
Minamo, School at Water's Edge
8.0%inclusion7 decks88 decks
-4%synergy
Coral Atoll
8.0%inclusion7 decks88 decks
4%synergy
Hall of Storm Giants
5.7%inclusion5 decks88 decks
3%synergy
Mana Artifacts
Sol Ring
74%inclusion65 decks88 decks
-11%synergy
Arcane Signet
52%inclusion46 decks88 decks
-13%synergy
Thought Vessel
36%inclusion32 decks88 decks
-15%synergy
Heraldic Banner
33%inclusion29 decks88 decks
27%synergy
Patchwork Banner
21%inclusion16 decks78 decks
17%synergy
Sky Diamond
15%inclusion13 decks88 decks
-8%synergy
Mind Stone
13%inclusion11 decks88 decks
-23%synergy
Commander's Sphere
13%inclusion11 decks88 decks
3%synergy
Caged Sun
11%inclusion10 decks88 decks
0%synergy
Decanter of Endless Water
11%inclusion10 decks88 decks
-3%synergy
Bender's Waterskin
9.1%inclusion3 decks33 decks
0%synergy
Nyx Lotus
9.1%inclusion8 decks88 decks
5%synergy
Midnight Clock
8.0%inclusion7 decks88 decks
-13%synergy
Gauntlet of Power
6.8%inclusion6 decks88 decks
3%synergy
Throne of Eldraine
6.8%inclusion6 decks88 decks
-3%synergy
Fellwar Stone
5.7%inclusion5 decks88 decks
-14%synergy
Lands
Island
98%inclusion86 decks88 decks
4%synergy
Path of Ancestry
40%inclusion35 decks88 decks
36%synergy
Cavern of Souls
22%inclusion19 decks88 decks
17%synergy
Eclipsed Realms
20%inclusion1 decks5 decks
20%synergy
Myriad Landscape
18%inclusion16 decks88 decks
-8%synergy
Evolving Wilds
10%inclusion9 decks88 decks
6%synergy
Terramorphic Expanse
9.1%inclusion8 decks88 decks
6%synergy
Command Tower
8.0%inclusion7 decks88 decks
4%synergy
Sink into Stupor
6.0%inclusion5 decks83 decks
-16%synergy
Jwari Disruption
5.7%inclusion5 decks88 decks
1%synergy