Emperor Mihail II (Commander) - Optimized

Emperor Mihail II
Rank #1,462
50decks
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Background image for Attuma, Atlantean Warlord Commander Deck Tech
Landon Crispens
Feb 16, 2026
Landon Crispens
Attuma, Atlantean Warlord Commander Deck Tech
Is Attuma, Atlantean Warlord the new best mono-blue Merfolk commander? Come check out this Marvel villain's potential.
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High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
Back to Top
Chronicle of Victory
27%inclusion3 decks11 decks
27%synergy
Harmonized Crescendo
27%inclusion3 decks11 decks
24%synergy
Champions of the Shoal
20%inclusion2 decks10 decks
20%synergy
Namor the Sub-Mariner
20%inclusion3 decks15 decks
20%synergy
Attuma, Atlantean Warlord
20%inclusion3 decks15 decks
19%synergy
High Synergy Cards
Merrow Reejerey
98%inclusion49 decks50 decks
96%synergy
Master of the Pearl Trident
96%inclusion48 decks50 decks
94%synergy
Svyelun of Sea and Sky
94%inclusion47 decks50 decks
93%synergy
Vodalian Hexcatcher
90%inclusion45 decks50 decks
88%synergy
Merfolk Sovereign
90%inclusion45 decks50 decks
88%synergy
Kopala, Warden of Waves
88%inclusion44 decks50 decks
87%synergy
Deeproot Waters
84%inclusion42 decks50 decks
83%synergy
Lord of Atlantis
82%inclusion41 decks50 decks
81%synergy
Stonybrook Banneret
84%inclusion42 decks50 decks
80%synergy
Deeproot Pilgrimage
82%inclusion41 decks50 decks
80%synergy
Top Cards
Harbinger of the Seas
88%inclusion44 decks50 decks
79%synergy
Counterspell
80%inclusion40 decks50 decks
14%synergy
Merrow Commerce
78%inclusion39 decks50 decks
77%synergy
Merrow Harbinger
76%inclusion38 decks50 decks
75%synergy
Sapphire Medallion
70%inclusion35 decks50 decks
12%synergy
Tishana's Tidebinder
66%inclusion33 decks50 decks
61%synergy
Seafloor Oracle
64%inclusion32 decks50 decks
63%synergy
Deepchannel Mentor
62%inclusion31 decks50 decks
61%synergy
Reflections of Littjara
62%inclusion31 decks50 decks
59%synergy
Wanderwine Prophets
60%inclusion30 decks50 decks
59%synergy
Game Changers
Cyclonic Rift
38%inclusion19 decks50 decks
4%synergy
Rhystic Study
32%inclusion16 decks50 decks
-1%synergy
Fierce Guardianship
24%inclusion12 decks50 decks
1%synergy
Thassa's Oracle
22%inclusion11 decks50 decks
9%synergy
Mystical Tutor
20%inclusion10 decks50 decks
-3%synergy
Force of Will
18%inclusion9 decks50 decks
1%synergy
Creatures
Merfolk Trickster
60%inclusion30 decks50 decks
59%synergy
Thieving Skydiver
54%inclusion27 decks50 decks
50%synergy
Harbinger of the Tides
54%inclusion27 decks50 decks
53%synergy
Lullmage Mentor
52%inclusion26 decks50 decks
50%synergy
Tide Shaper
52%inclusion26 decks50 decks
51%synergy
Seahunter
48%inclusion24 decks50 decks
47%synergy
Mist Dancer
46%inclusion23 decks50 decks
45%synergy
Coralhelm Commander
42%inclusion21 decks50 decks
41%synergy
Thada Adel, Acquisitor
40%inclusion20 decks50 decks
38%synergy
Mindspring Merfolk
39%inclusion19 decks49 decks
38%synergy
True-Name Nemesis
38%inclusion19 decks50 decks
37%synergy
Streambed Aquitects
34%inclusion17 decks50 decks
33%synergy
Cursecatcher
34%inclusion17 decks50 decks
32%synergy
Silvergill Adept
32%inclusion16 decks50 decks
31%synergy
Tempest Caller
32%inclusion16 decks50 decks
31%synergy
Rishadan Dockhand
28%inclusion14 decks50 decks
27%synergy
River Sneak
28%inclusion14 decks50 decks
27%synergy
Kiora, the Rising Tide
28%inclusion14 decks50 decks
25%synergy
Thassa, God of the Sea
28%inclusion14 decks50 decks
24%synergy
Stormtide Leviathan
28%inclusion14 decks50 decks
21%synergy
Empress Galina
28%inclusion14 decks50 decks
27%synergy
Master of Waves
26%inclusion13 decks50 decks
22%synergy
Cosi's Trickster
26%inclusion13 decks50 decks
25%synergy
Surgespanner
26%inclusion13 decks50 decks
25%synergy
Summon: Leviathan
23%inclusion9 decks40 decks
21%synergy
Triton Shorestalker
22%inclusion11 decks50 decks
19%synergy
Mist-Cloaked Herald
22%inclusion11 decks50 decks
20%synergy
Merfolk Looter
22%inclusion11 decks50 decks
20%synergy
Floodpits Drowner
20%inclusion10 decks50 decks
19%synergy
Tideshaper Mystic
20%inclusion10 decks50 decks
20%synergy
Mistcaller
20%inclusion10 decks50 decks
19%synergy
Drowner of Secrets
20%inclusion10 decks50 decks
20%synergy
Disruptor of Currents
18%inclusion2 decks11 decks
17%synergy
Silvergill Mentor
18%inclusion2 decks11 decks
18%synergy
Silvergill Peddler
18%inclusion2 decks11 decks
18%synergy
Dakra Mystic
18%inclusion9 decks50 decks
17%synergy
Sigil Tracer
18%inclusion9 decks50 decks
17%synergy
Sea Scryer
18%inclusion9 decks50 decks
17%synergy
Tidal Warrior
16%inclusion8 decks50 decks
15%synergy
Gray Harbor Merfolk
16%inclusion8 decks50 decks
16%synergy
Thassa, Deep-Dwelling
16%inclusion8 decks50 decks
12%synergy
Reef Shaman
14%inclusion7 decks50 decks
14%synergy
Slinn Voda, the Rising Deep
14%inclusion7 decks50 decks
13%synergy
Talrand, Sky Summoner
14%inclusion7 decks50 decks
0%synergy
Merfolk Wayfinder
14%inclusion7 decks50 decks
14%synergy
Rootwater Thief
14%inclusion7 decks50 decks
14%synergy
Alandra, Sky Dreamer
12%inclusion6 decks50 decks
5%synergy
Merfolk Windrobber
12%inclusion6 decks50 decks
11%synergy
Glasspool Mimic
12%inclusion6 decks50 decks
6%synergy
Titan of Littjara
12%inclusion6 decks50 decks
10%synergy
Instants
High Tide
42%inclusion21 decks50 decks
-2%synergy
Aetherize
40%inclusion20 decks50 decks
11%synergy
An Offer You Can't Refuse
32%inclusion16 decks50 decks
-5%synergy
Negate
30%inclusion15 decks50 decks
-8%synergy
Rapid Hybridization
30%inclusion15 decks50 decks
-5%synergy
Arcane Denial
28%inclusion14 decks50 decks
-8%synergy
Pongify
28%inclusion14 decks50 decks
-12%synergy
Flare of Denial
26%inclusion13 decks50 decks
19%synergy
Swan Song
26%inclusion13 decks50 decks
-1%synergy
Sink into Stupor
26%inclusion13 decks50 decks
4%synergy
Thassa's Rebuff
26%inclusion13 decks50 decks
25%synergy
Brainstorm
24%inclusion12 decks50 decks
-17%synergy
Mana Drain
22%inclusion11 decks50 decks
-5%synergy
Dramatic Reversal
20%inclusion10 decks50 decks
0%synergy
Reality Shift
20%inclusion10 decks50 decks
-7%synergy
Force of Negation
20%inclusion10 decks50 decks
5%synergy
Opt
18%inclusion9 decks50 decks
-7%synergy
Filter Out
18%inclusion9 decks50 decks
14%synergy
Flow of Knowledge
18%inclusion9 decks50 decks
2%synergy
Cryptic Command
16%inclusion8 decks50 decks
4%synergy
Strix Serenade
14%inclusion7 decks50 decks
5%synergy
Muddle the Mixture
14%inclusion7 decks50 decks
-2%synergy
Resculpt
14%inclusion7 decks50 decks
-4%synergy
Frantic Search
12%inclusion6 decks50 decks
-18%synergy
Cancel
12%inclusion6 decks50 decks
7%synergy
March of Swirling Mist
12%inclusion6 decks50 decks
4%synergy
Unsummon
12%inclusion6 decks50 decks
8%synergy
Engulf the Shore
10%inclusion5 decks50 decks
2%synergy
Thassa's Intervention
10%inclusion5 decks50 decks
9%synergy
Dissolve
10%inclusion5 decks50 decks
7%synergy
Flusterstorm
10%inclusion5 decks50 decks
0%synergy
Whirlwind Denial
10%inclusion5 decks50 decks
8%synergy
Mirrorform
9.1%inclusion1 decks11 decks
6%synergy
Transcendent Message
8.0%inclusion4 decks50 decks
6%synergy
Dive Down
8.0%inclusion4 decks50 decks
5%synergy
Jwari Disruption
8.0%inclusion4 decks50 decks
3%synergy
Spell Pierce
8.0%inclusion4 decks50 decks
0%synergy
Refute
8.0%inclusion4 decks50 decks
3%synergy
Disallow
8.0%inclusion4 decks50 decks
1%synergy
Lose Focus
8.0%inclusion4 decks50 decks
7%synergy
Long-Term Plans
8.0%inclusion4 decks50 decks
5%synergy
Unexpected Assistance
7.1%inclusion1 decks14 decks
6%synergy
Deliberate
6.0%inclusion3 decks50 decks
3%synergy
Condescend
6.0%inclusion3 decks50 decks
5%synergy
Dissipate
6.0%inclusion3 decks50 decks
3%synergy
Ertai's Scorn
6.0%inclusion3 decks50 decks
4%synergy
Snap
6.0%inclusion3 decks50 decks
-13%synergy
Rewind
6.0%inclusion3 decks50 decks
-7%synergy
Archmage's Charm
6.0%inclusion3 decks50 decks
-11%synergy
Saw It Coming
6.0%inclusion3 decks50 decks
3%synergy
Sorceries
Aquitect's Will
54%inclusion27 decks50 decks
49%synergy
Distant Melody
48%inclusion24 decks50 decks
43%synergy
Raise the Palisade
36%inclusion18 decks50 decks
33%synergy
Ponder
28%inclusion14 decks50 decks
-2%synergy
Preordain
20%inclusion10 decks50 decks
-4%synergy
Inundate
18%inclusion9 decks50 decks
16%synergy
Wash Out
14%inclusion7 decks50 decks
9%synergy
Windfall
14%inclusion7 decks50 decks
-9%synergy
River's Rebuke
14%inclusion7 decks50 decks
11%synergy
Spectral Deluge
12%inclusion6 decks50 decks
1%synergy
Rite of Replication
12%inclusion6 decks50 decks
5%synergy
Chart a Course
10%inclusion5 decks50 decks
6%synergy
Sea Gate Restoration
10%inclusion5 decks50 decks
-5%synergy
Wanderwine Farewell
9.1%inclusion1 decks11 decks
9%synergy
Clear the Mind
8.0%inclusion4 decks50 decks
7%synergy
Pull from the Deep
8.0%inclusion4 decks50 decks
8%synergy
Crashing Tide
8.0%inclusion4 decks50 decks
8%synergy
Breaking Wave
6.0%inclusion3 decks50 decks
6%synergy
Step Through
6.0%inclusion3 decks50 decks
1%synergy
Fabricate
6.0%inclusion3 decks50 decks
-15%synergy
Serum Visions
6.0%inclusion3 decks50 decks
-4%synergy
Breakthrough
6.0%inclusion3 decks50 decks
6%synergy
Stream of Thought
6.0%inclusion3 decks50 decks
5%synergy
Utility Artifacts
Bident of Thassa
52%inclusion26 decks50 decks
40%synergy
Quicksilver Fountain
32%inclusion16 decks50 decks
30%synergy
Herald's Horn
30%inclusion15 decks50 decks
28%synergy
Kefnet's Monument
26%inclusion13 decks50 decks
20%synergy
Door of Destinies
24%inclusion12 decks50 decks
23%synergy
Vanquisher's Banner
22%inclusion11 decks50 decks
21%synergy
Swiftfoot Boots
22%inclusion11 decks50 decks
-6%synergy
Banner of Kinship
20%inclusion10 decks50 decks
17%synergy
Sensei's Divining Top
20%inclusion10 decks50 decks
5%synergy
Lightning Greaves
20%inclusion10 decks50 decks
-6%synergy
Dawn-Blessed Pennant
18%inclusion2 decks11 decks
18%synergy
Coat of Arms
12%inclusion6 decks50 decks
10%synergy
Icon of Ancestry
10%inclusion5 decks50 decks
9%synergy
Skullclamp
10%inclusion5 decks50 decks
4%synergy
Gathering Stone
9.1%inclusion1 decks11 decks
9%synergy
Aether Vial
6.0%inclusion3 decks50 decks
6%synergy
Commander's Plate
6.0%inclusion3 decks50 decks
2%synergy
Staff of the Mind Magus
6.0%inclusion3 decks50 decks
5%synergy
Stoneforge Masterwork
6.0%inclusion3 decks50 decks
6%synergy
Urza's Incubator
6.0%inclusion3 decks50 decks
5%synergy
Isochron Scepter
6.0%inclusion3 decks50 decks
-12%synergy
The Water Crystal
5.3%inclusion2 decks38 decks
-5%synergy
Enchantments
Kindred Discovery
54%inclusion27 decks50 decks
47%synergy
Spreading Seas
30%inclusion15 decks50 decks
29%synergy
Mystic Remora
26%inclusion13 decks50 decks
-1%synergy
Intruder Alarm
26%inclusion13 decks50 decks
23%synergy
Propaganda
24%inclusion12 decks50 decks
-6%synergy
Aquatic Incursion
16%inclusion8 decks50 decks
16%synergy
Wizard Class
14%inclusion7 decks50 decks
-3%synergy
Leyline of Anticipation
14%inclusion7 decks50 decks
5%synergy
Coastal Piracy
14%inclusion7 decks50 decks
9%synergy
Back to Basics
12%inclusion6 decks50 decks
5%synergy
Imprisoned in the Moon
10%inclusion5 decks50 decks
-2%synergy
Noggle the Mind
10%inclusion1 decks10 decks
9%synergy
Convincing Mirage
10%inclusion5 decks50 decks
10%synergy
Sea's Claim
10%inclusion5 decks50 decks
10%synergy
Reconnaissance Mission
8.0%inclusion4 decks50 decks
1%synergy
Opposition
8.0%inclusion4 decks50 decks
7%synergy
Witness Protection
8.0%inclusion4 decks50 decks
2%synergy
Unstoppable Plan
6.1%inclusion3 decks49 decks
-1%synergy
Counterbalance
6.0%inclusion3 decks50 decks
2%synergy
Military Intelligence
6.0%inclusion3 decks50 decks
5%synergy
Omniscience
6.0%inclusion3 decks50 decks
-3%synergy
Waterbender Ascension
5.0%inclusion1 decks20 decks
1%synergy
Utility Lands
Reliquary Tower
66%inclusion33 decks50 decks
10%synergy
Mystic Sanctuary
46%inclusion23 decks50 decks
-4%synergy
Nykthos, Shrine to Nyx
32%inclusion16 decks50 decks
16%synergy
Three Tree City
32%inclusion16 decks50 decks
28%synergy
Halimar Depths
28%inclusion14 decks50 decks
18%synergy
Lonely Sandbar
28%inclusion14 decks50 decks
14%synergy
Rivendell
26%inclusion13 decks50 decks
15%synergy
Castle Vantress
24%inclusion12 decks50 decks
5%synergy
Otawara, Soaring City
24%inclusion12 decks50 decks
-2%synergy
Riptide Laboratory
20%inclusion10 decks50 decks
10%synergy
Rogue's Passage
18%inclusion9 decks50 decks
3%synergy
Mutavault
18%inclusion9 decks50 decks
17%synergy
War Room
16%inclusion8 decks50 decks
0%synergy
Hall of Storm Giants
14%inclusion7 decks50 decks
12%synergy
Academy Ruins
12%inclusion6 decks50 decks
-7%synergy
Minamo, School at Water's Edge
12%inclusion6 decks50 decks
0%synergy
Agna Qel'a
10%inclusion2 decks20 decks
2%synergy
Remote Isle
8.0%inclusion4 decks50 decks
3%synergy
Hidden Cataract
8.0%inclusion4 decks50 decks
6%synergy
Sunken Palace
8.0%inclusion4 decks50 decks
4%synergy
Memorial to Genius
8.0%inclusion4 decks50 decks
6%synergy
Moonring Island
8.0%inclusion4 decks50 decks
7%synergy
Coral Atoll
8.0%inclusion4 decks50 decks
4%synergy
Urza's Saga
6.0%inclusion3 decks50 decks
-11%synergy
Scavenger Grounds
6.0%inclusion3 decks50 decks
-1%synergy
Emergence Zone
6.0%inclusion3 decks50 decks
2%synergy
Inventors' Fair
6.0%inclusion3 decks50 decks
-7%synergy
Isolated Watchtower
6.0%inclusion3 decks50 decks
5%synergy
Svyelunite Temple
6.0%inclusion3 decks50 decks
5%synergy
Secret Tunnel
5.0%inclusion1 decks20 decks
4%synergy
Mana Artifacts
Sol Ring
76%inclusion38 decks50 decks
-9%synergy
Arcane Signet
48%inclusion24 decks50 decks
-17%synergy
Thought Vessel
26%inclusion13 decks50 decks
-26%synergy
Caged Sun
22%inclusion11 decks50 decks
11%synergy
Sky Diamond
20%inclusion10 decks50 decks
-3%synergy
Mind Stone
20%inclusion10 decks50 decks
-16%synergy
Patchwork Banner
18%inclusion9 decks50 decks
14%synergy
Heraldic Banner
18%inclusion9 decks50 decks
12%synergy
Midnight Clock
16%inclusion8 decks50 decks
-4%synergy
Fellwar Stone
12%inclusion6 decks50 decks
-8%synergy
Bender's Waterskin
10%inclusion3 decks29 decks
1%synergy
Nyx Lotus
10%inclusion5 decks50 decks
6%synergy
Decanter of Endless Water
10%inclusion5 decks50 decks
-4%synergy
Springleaf Drum
10%inclusion5 decks50 decks
7%synergy
Commander's Sphere
8.0%inclusion4 decks50 decks
-2%synergy
Throne of Eldraine
8.0%inclusion4 decks50 decks
-1%synergy
Gilded Lotus
6.0%inclusion3 decks50 decks
-5%synergy
Relic of Legends
6.0%inclusion3 decks50 decks
4%synergy
Extraplanar Lens
6.0%inclusion3 decks50 decks
-2%synergy
White Lotus Tile
5.0%inclusion1 decks20 decks
4%synergy
Lands
Island
96%inclusion48 decks50 decks
2%synergy
Path of Ancestry
42%inclusion21 decks50 decks
38%synergy
Sink into Stupor
26%inclusion13 decks50 decks
4%synergy
Cavern of Souls
26%inclusion13 decks50 decks
21%synergy
Myriad Landscape
20%inclusion10 decks50 decks
-6%synergy
Glasspool Mimic
12%inclusion6 decks50 decks
6%synergy
Sea Gate Restoration
10%inclusion5 decks50 decks
-5%synergy
Jwari Disruption
8.0%inclusion4 decks50 decks
3%synergy
Misty Rainforest
8.0%inclusion4 decks50 decks
0%synergy
Command Tower
6.0%inclusion3 decks50 decks
2%synergy
Polluted Delta
6.0%inclusion3 decks50 decks
-2%synergy
Flooded Strand
6.0%inclusion3 decks50 decks
-2%synergy
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