Emperor Mihail II (Commander) - Optimized

Emperor Mihail II
Rank #1,479
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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Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
Back to Top
Harmonized Crescendo
31%inclusion4 decks13 decks
27%synergy
Champions of the Shoal
25%inclusion3 decks12 decks
25%synergy
Silvergill Mentor
23%inclusion3 decks13 decks
23%synergy
Disruptor of Currents
23%inclusion3 decks13 decks
22%synergy
Chronicle of Victory
23%inclusion3 decks13 decks
22%synergy
High Synergy Cards
Merrow Reejerey
98%inclusion49 decks50 decks
96%synergy
Svyelun of Sea and Sky
96%inclusion48 decks50 decks
95%synergy
Master of the Pearl Trident
96%inclusion48 decks50 decks
94%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
Stonybrook Banneret
84%inclusion42 decks50 decks
80%synergy
Deeproot Pilgrimage
82%inclusion41 decks50 decks
80%synergy
Harbinger of the Seas
88%inclusion44 decks50 decks
79%synergy
Top Cards
Merrow Commerce
80%inclusion40 decks50 decks
79%synergy
Lord of Atlantis
80%inclusion40 decks50 decks
79%synergy
Counterspell
80%inclusion40 decks50 decks
14%synergy
Merrow Harbinger
76%inclusion38 decks50 decks
75%synergy
Sapphire Medallion
68%inclusion34 decks50 decks
9%synergy
Tishana's Tidebinder
66%inclusion33 decks50 decks
62%synergy
Seafloor Oracle
66%inclusion33 decks50 decks
65%synergy
Deepchannel Mentor
64%inclusion32 decks50 decks
63%synergy
Wanderwine Prophets
64%inclusion32 decks50 decks
63%synergy
Reflections of Littjara
62%inclusion31 decks50 decks
59%synergy
Game Changers
Cyclonic Rift
38%inclusion19 decks50 decks
5%synergy
Rhystic Study
32%inclusion16 decks50 decks
0%synergy
Fierce Guardianship
24%inclusion12 decks50 decks
1%synergy
Thassa's Oracle
20%inclusion10 decks50 decks
7%synergy
Mystical Tutor
20%inclusion10 decks50 decks
-3%synergy
Force of Will
18%inclusion9 decks50 decks
1%synergy
Ancient Tomb
6.0%inclusion3 decks50 decks
-6%synergy
Creatures
Merfolk Trickster
58%inclusion29 decks50 decks
57%synergy
Thieving Skydiver
56%inclusion28 decks50 decks
52%synergy
Harbinger of the Tides
54%inclusion27 decks50 decks
53%synergy
Tide Shaper
54%inclusion27 decks50 decks
53%synergy
Lullmage Mentor
52%inclusion26 decks50 decks
50%synergy
Mist Dancer
48%inclusion24 decks50 decks
47%synergy
Seahunter
46%inclusion23 decks50 decks
45%synergy
Coralhelm Commander
44%inclusion22 decks50 decks
43%synergy
Mindspring Merfolk
41%inclusion20 decks49 decks
40%synergy
Thada Adel, Acquisitor
40%inclusion20 decks50 decks
38%synergy
True-Name Nemesis
38%inclusion19 decks50 decks
37%synergy
Tempest Caller
34%inclusion17 decks50 decks
33%synergy
Streambed Aquitects
34%inclusion17 decks50 decks
33%synergy
Cursecatcher
32%inclusion16 decks50 decks
30%synergy
Silvergill Adept
32%inclusion16 decks50 decks
31%synergy
Stormtide Leviathan
28%inclusion14 decks50 decks
21%synergy
Surgespanner
28%inclusion14 decks50 decks
27%synergy
River Sneak
28%inclusion14 decks50 decks
27%synergy
Thassa, God of the Sea
28%inclusion14 decks50 decks
24%synergy
Rishadan Dockhand
28%inclusion14 decks50 decks
27%synergy
Empress Galina
28%inclusion14 decks50 decks
27%synergy
Kiora, the Rising Tide
28%inclusion14 decks50 decks
25%synergy
Master of Waves
26%inclusion13 decks50 decks
22%synergy
Cosi's Trickster
26%inclusion13 decks50 decks
25%synergy
Triton Shorestalker
24%inclusion12 decks50 decks
21%synergy
Silvergill Peddler
23%inclusion3 decks13 decks
23%synergy
Summon: Leviathan
23%inclusion9 decks40 decks
21%synergy
Merfolk Looter
22%inclusion11 decks50 decks
20%synergy
Mist-Cloaked Herald
22%inclusion11 decks50 decks
20%synergy
Floodpits Drowner
20%inclusion10 decks50 decks
19%synergy
Tideshaper Mystic
20%inclusion10 decks50 decks
20%synergy
Dakra Mystic
18%inclusion9 decks50 decks
17%synergy
Mistcaller
18%inclusion9 decks50 decks
17%synergy
Drowner of Secrets
18%inclusion9 decks50 decks
18%synergy
Namor the Sub-Mariner
18%inclusion3 decks17 decks
17%synergy
Attuma, Atlantean Warlord
18%inclusion3 decks17 decks
17%synergy
Thassa, Deep-Dwelling
16%inclusion8 decks50 decks
12%synergy
Tidal Warrior
16%inclusion8 decks50 decks
15%synergy
Sigil Tracer
16%inclusion8 decks50 decks
15%synergy
Gray Harbor Merfolk
16%inclusion8 decks50 decks
16%synergy
Sea Scryer
16%inclusion8 decks50 decks
15%synergy
Merfolk Wayfinder
14%inclusion7 decks50 decks
14%synergy
Reef Shaman
14%inclusion7 decks50 decks
14%synergy
Slinn Voda, the Rising Deep
14%inclusion7 decks50 decks
13%synergy
Adaptive Automaton
14%inclusion7 decks50 decks
13%synergy
Rootwater Thief
14%inclusion7 decks50 decks
14%synergy
Talrand, Sky Summoner
14%inclusion7 decks50 decks
0%synergy
Metallic Mimic
12%inclusion6 decks50 decks
11%synergy
Alandra, Sky Dreamer
12%inclusion6 decks50 decks
5%synergy
Tidal Courier
12%inclusion6 decks50 decks
12%synergy
Instants
High Tide
42%inclusion21 decks50 decks
-2%synergy
Aetherize
40%inclusion20 decks50 decks
10%synergy
Negate
32%inclusion16 decks50 decks
-6%synergy
Rapid Hybridization
30%inclusion15 decks50 decks
-5%synergy
An Offer You Can't Refuse
30%inclusion15 decks50 decks
-7%synergy
Pongify
28%inclusion14 decks50 decks
-12%synergy
Flare of Denial
26%inclusion13 decks50 decks
19%synergy
Arcane Denial
26%inclusion13 decks50 decks
-10%synergy
Thassa's Rebuff
26%inclusion13 decks50 decks
25%synergy
Brainstorm
24%inclusion12 decks50 decks
-17%synergy
Swan Song
24%inclusion12 decks50 decks
-3%synergy
Sink into Stupor
24%inclusion12 decks50 decks
2%synergy
Reality Shift
22%inclusion11 decks50 decks
-5%synergy
Mana Drain
22%inclusion11 decks50 decks
-5%synergy
Filter Out
20%inclusion10 decks50 decks
16%synergy
Force of Negation
20%inclusion10 decks50 decks
5%synergy
Flow of Knowledge
18%inclusion9 decks50 decks
2%synergy
Dramatic Reversal
18%inclusion9 decks50 decks
-2%synergy
Opt
18%inclusion9 decks50 decks
-7%synergy
Cryptic Command
16%inclusion8 decks50 decks
4%synergy
Resculpt
14%inclusion7 decks50 decks
-4%synergy
Unexpected Assistance
13%inclusion2 decks16 decks
12%synergy
Muddle the Mixture
12%inclusion6 decks50 decks
-4%synergy
Frantic Search
12%inclusion6 decks50 decks
-18%synergy
Cancel
12%inclusion6 decks50 decks
7%synergy
Unsummon
12%inclusion6 decks50 decks
8%synergy
Strix Serenade
12%inclusion6 decks50 decks
3%synergy
March of Swirling Mist
12%inclusion6 decks50 decks
4%synergy
Dissolve
10%inclusion5 decks50 decks
7%synergy
Refute
10%inclusion5 decks50 decks
5%synergy
Flusterstorm
10%inclusion5 decks50 decks
0%synergy
Engulf the Shore
10%inclusion5 decks50 decks
2%synergy
Whirlwind Denial
10%inclusion5 decks50 decks
8%synergy
Thassa's Intervention
10%inclusion5 decks50 decks
9%synergy
Thirst for Identity
8.3%inclusion1 decks12 decks
7%synergy
Lose Focus
8.0%inclusion4 decks50 decks
7%synergy
Dive Down
8.0%inclusion4 decks50 decks
5%synergy
Disallow
8.0%inclusion4 decks50 decks
1%synergy
Spell Pierce
8.0%inclusion4 decks50 decks
0%synergy
Jwari Disruption
8.0%inclusion4 decks50 decks
3%synergy
Long-Term Plans
8.0%inclusion4 decks50 decks
5%synergy
Mirrorform
7.7%inclusion1 decks13 decks
4%synergy
Transcendent Message
6.0%inclusion3 decks50 decks
4%synergy
Deliberate
6.0%inclusion3 decks50 decks
3%synergy
Dissipate
6.0%inclusion3 decks50 decks
3%synergy
Essence Scatter
6.0%inclusion3 decks50 decks
2%synergy
Ertai's Scorn
6.0%inclusion3 decks50 decks
4%synergy
Saw It Coming
6.0%inclusion3 decks50 decks
3%synergy
Snap
6.0%inclusion3 decks50 decks
-13%synergy
Rewind
6.0%inclusion3 decks50 decks
-7%synergy
Sorceries
Aquitect's Will
54%inclusion27 decks50 decks
49%synergy
Distant Melody
50%inclusion25 decks50 decks
45%synergy
Raise the Palisade
38%inclusion19 decks50 decks
35%synergy
Ponder
26%inclusion13 decks50 decks
-4%synergy
Inundate
18%inclusion9 decks50 decks
16%synergy
Preordain
18%inclusion9 decks50 decks
-6%synergy
Windfall
14%inclusion7 decks50 decks
-8%synergy
Wash Out
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
Clear the Mind
8.0%inclusion4 decks50 decks
7%synergy
Pull from the Deep
8.0%inclusion4 decks50 decks
8%synergy
Sea Gate Restoration
8.0%inclusion4 decks50 decks
-7%synergy
Crashing Tide
8.0%inclusion4 decks50 decks
8%synergy
Wanderwine Farewell
7.7%inclusion1 decks13 decks
7%synergy
Curse of the Swine
6.0%inclusion3 decks50 decks
-5%synergy
Serum Visions
6.0%inclusion3 decks50 decks
-4%synergy
Lórien Revealed
6.0%inclusion3 decks50 decks
-3%synergy
Step Through
6.0%inclusion3 decks50 decks
1%synergy
Breakthrough
6.0%inclusion3 decks50 decks
6%synergy
Stream of Thought
6.0%inclusion3 decks50 decks
5%synergy
Breaking Wave
6.0%inclusion3 decks50 decks
6%synergy
Utility Artifacts
Bident of Thassa
54%inclusion27 decks50 decks
42%synergy
Quicksilver Fountain
32%inclusion16 decks50 decks
30%synergy
Herald's Horn
28%inclusion14 decks50 decks
26%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
Sensei's Divining Top
20%inclusion10 decks50 decks
5%synergy
Lightning Greaves
20%inclusion10 decks50 decks
-6%synergy
Banner of Kinship
20%inclusion10 decks50 decks
17%synergy
Dawn-Blessed Pennant
15%inclusion2 decks13 decks
15%synergy
Icon of Ancestry
12%inclusion6 decks50 decks
11%synergy
Coat of Arms
12%inclusion6 decks50 decks
10%synergy
Skullclamp
10%inclusion5 decks50 decks
4%synergy
Gathering Stone
7.7%inclusion1 decks13 decks
7%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
Commander's Plate
6.0%inclusion3 decks50 decks
2%synergy
Obelisk of Urd
6.0%inclusion3 decks50 decks
5%synergy
Aether Vial
6.0%inclusion3 decks50 decks
6%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
Intruder Alarm
26%inclusion13 decks50 decks
23%synergy
Mystic Remora
26%inclusion13 decks50 decks
-1%synergy
Propaganda
24%inclusion12 decks50 decks
-7%synergy
Aquatic Incursion
18%inclusion9 decks50 decks
18%synergy
Leyline of Anticipation
16%inclusion8 decks50 decks
7%synergy
Coastal Piracy
14%inclusion7 decks50 decks
9%synergy
Wizard Class
14%inclusion7 decks50 decks
-3%synergy
Back to Basics
12%inclusion6 decks50 decks
5%synergy
Imprisoned in the Moon
10%inclusion5 decks50 decks
-2%synergy
Convincing Mirage
10%inclusion5 decks50 decks
10%synergy
Sea's Claim
10%inclusion5 decks50 decks
10%synergy
Noggle the Mind
8.3%inclusion1 decks12 decks
7%synergy
Reconnaissance Mission
8.0%inclusion4 decks50 decks
1%synergy
Witness Protection
8.0%inclusion4 decks50 decks
2%synergy
Opposition
8.0%inclusion4 decks50 decks
7%synergy
Impostor Syndrome
7.1%inclusion2 decks28 decks
5%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
Eaten by Piranhas
6.0%inclusion3 decks50 decks
3%synergy
Utility Lands
Reliquary Tower
66%inclusion33 decks50 decks
10%synergy
Mystic Sanctuary
46%inclusion23 decks50 decks
-4%synergy
Three Tree City
34%inclusion17 decks50 decks
30%synergy
Nykthos, Shrine to Nyx
32%inclusion16 decks50 decks
16%synergy
Lonely Sandbar
30%inclusion15 decks50 decks
16%synergy
Rivendell
26%inclusion13 decks50 decks
15%synergy
Halimar Depths
26%inclusion13 decks50 decks
16%synergy
Otawara, Soaring City
24%inclusion12 decks50 decks
-2%synergy
Castle Vantress
24%inclusion12 decks50 decks
5%synergy
Riptide Laboratory
18%inclusion9 decks50 decks
8%synergy
Rogue's Passage
18%inclusion9 decks50 decks
3%synergy
Mutavault
16%inclusion8 decks50 decks
15%synergy
Hall of Storm Giants
14%inclusion7 decks50 decks
12%synergy
War Room
14%inclusion7 decks50 decks
-2%synergy
Agna Qel'a
14%inclusion3 decks22 decks
6%synergy
Minamo, School at Water's Edge
12%inclusion6 decks50 decks
-1%synergy
Academy Ruins
12%inclusion6 decks50 decks
-7%synergy
Remote Isle
8.0%inclusion4 decks50 decks
3%synergy
Coral Atoll
8.0%inclusion4 decks50 decks
4%synergy
Memorial to Genius
8.0%inclusion4 decks50 decks
7%synergy
Hidden Cataract
8.0%inclusion4 decks50 decks
6%synergy
Moonring Island
8.0%inclusion4 decks50 decks
7%synergy
Isolated Watchtower
6.0%inclusion3 decks50 decks
5%synergy
Urza's Saga
6.0%inclusion3 decks50 decks
-11%synergy
Svyelunite Temple
6.0%inclusion3 decks50 decks
5%synergy
Scavenger Grounds
6.0%inclusion3 decks50 decks
-1%synergy
Inventors' Fair
6.0%inclusion3 decks50 decks
-7%synergy
Sunken Palace
6.0%inclusion3 decks50 decks
2%synergy
Mana Artifacts
Sol Ring
76%inclusion38 decks50 decks
-9%synergy
Arcane Signet
48%inclusion24 decks50 decks
-17%synergy
Thought Vessel
24%inclusion12 decks50 decks
-28%synergy
Caged Sun
22%inclusion11 decks50 decks
11%synergy
Heraldic Banner
18%inclusion9 decks50 decks
12%synergy
Sky Diamond
18%inclusion9 decks50 decks
-5%synergy
Mind Stone
18%inclusion9 decks50 decks
-18%synergy
Patchwork Banner
16%inclusion8 decks50 decks
12%synergy
Midnight Clock
16%inclusion8 decks50 decks
-4%synergy
Bender's Waterskin
10%inclusion3 decks29 decks
1%synergy
Commander's Sphere
10%inclusion5 decks50 decks
1%synergy
Decanter of Endless Water
10%inclusion5 decks50 decks
-4%synergy
Springleaf Drum
10%inclusion5 decks50 decks
7%synergy
Nyx Lotus
10%inclusion5 decks50 decks
6%synergy
Fellwar Stone
10%inclusion5 decks50 decks
-10%synergy
Throne of Eldraine
8.0%inclusion4 decks50 decks
-1%synergy
Relic of Legends
6.0%inclusion3 decks50 decks
4%synergy
Gilded Lotus
6.0%inclusion3 decks50 decks
-5%synergy
Extraplanar Lens
6.0%inclusion3 decks50 decks
-2%synergy
Lands
Island
96%inclusion48 decks50 decks
2%synergy
Path of Ancestry
40%inclusion20 decks50 decks
36%synergy
Cavern of Souls
26%inclusion13 decks50 decks
21%synergy
Sink into Stupor
24%inclusion12 decks50 decks
2%synergy
Myriad Landscape
22%inclusion11 decks50 decks
-4%synergy
Glasspool Mimic
10%inclusion5 decks50 decks
4%synergy
Misty Rainforest
8.0%inclusion4 decks50 decks
0%synergy
Sea Gate Restoration
8.0%inclusion4 decks50 decks
-7%synergy
Jwari Disruption
8.0%inclusion4 decks50 decks
3%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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