Monstrosity of the Lake (Commander)

Ciel Collins
May 16, 2025
Building Two Legendary Matters Commander Decks
Let's break up the popular WUBRG Legendary Matters archetype into two different dueling Commander deck techs.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Utrom Scientists
14%inclusion1 decks7 decks
14%synergy
Sewer-veillance Cam
13%inclusion1 decks8 decks
8%synergy
Retro-Mutation
13%inclusion1 decks8 decks
12%synergy
High Synergy Cards
Thrummingbird
59%inclusion29 decks49 decks
54%synergy
Tezzeret's Gambit
59%inclusion29 decks49 decks
54%synergy
Fear of Sleep Paralysis
55%inclusion24 decks44 decks
53%synergy
Borrowing 100,000 Arrows
53%inclusion26 decks49 decks
52%synergy
The Watcher in the Water
53%inclusion26 decks49 decks
51%synergy
Conjurer's Closet
55%inclusion27 decks49 decks
51%synergy
Impede Momentum
51%inclusion25 decks49 decks
50%synergy
Inexorable Tide
53%inclusion26 decks49 decks
49%synergy
Essence Flux
57%inclusion28 decks49 decks
49%synergy
Steady Progress
51%inclusion25 decks49 decks
48%synergy
Top Cards
Counterspell
69%inclusion34 decks49 decks
3%synergy
Contentious Plan
51%inclusion25 decks49 decks
47%synergy
Flux Channeler
51%inclusion25 decks49 decks
45%synergy
Serum Snare
51%inclusion25 decks49 decks
48%synergy
High Tide
49%inclusion24 decks49 decks
5%synergy
Lulu, Stern Guardian
45%inclusion14 decks31 decks
43%synergy
Freeze in Place
45%inclusion22 decks49 decks
44%synergy
Displacer Kitten
43%inclusion21 decks49 decks
33%synergy
Verity Circle
43%inclusion21 decks49 decks
41%synergy
Grappling Kraken
43%inclusion18 decks42 decks
42%synergy
Game Changers
Rhystic Study
29%inclusion14 decks49 decks
-4%synergy
Cyclonic Rift
20%inclusion10 decks49 decks
-12%synergy
Mystical Tutor
18%inclusion9 decks49 decks
-4%synergy
Fierce Guardianship
10%inclusion5 decks49 decks
-12%synergy
Consecrated Sphinx
6.1%inclusion3 decks49 decks
-6%synergy
Force of Will
6.1%inclusion3 decks49 decks
-11%synergy
Creatures
Tekuthal, Inquiry Dominus
43%inclusion21 decks49 decks
40%synergy
Guildpact Informant
41%inclusion20 decks49 decks
39%synergy
Deepglow Skate
41%inclusion20 decks49 decks
39%synergy
Thassa, Deep-Dwelling
39%inclusion19 decks49 decks
34%synergy
Solemn Simulacrum
37%inclusion18 decks49 decks
15%synergy
Floodpits Drowner
36%inclusion16 decks45 decks
34%synergy
Thryx, the Sudden Storm
35%inclusion17 decks49 decks
33%synergy
Reservoir Kraken
35%inclusion17 decks49 decks
34%synergy
Referee Squad
35%inclusion17 decks49 decks
35%synergy
Silver Myr
33%inclusion16 decks49 decks
22%synergy
Palladium Myr
33%inclusion16 decks49 decks
29%synergy
Spawning Kraken
33%inclusion16 decks49 decks
31%synergy
Hullbreaker Horror
31%inclusion15 decks49 decks
6%synergy
Shipbreaker Kraken
31%inclusion15 decks49 decks
30%synergy
Nadir Kraken
29%inclusion14 decks49 decks
23%synergy
Gitaxian Anatomist
29%inclusion14 decks49 decks
28%synergy
Serpent of Yawning Depths
29%inclusion14 decks49 decks
28%synergy
Defiler of Dreams
27%inclusion13 decks49 decks
18%synergy
Lorthos, the Tidemaker
24%inclusion12 decks49 decks
24%synergy
Scourge of Fleets
22%inclusion11 decks49 decks
10%synergy
Splash Lasher
22%inclusion10 decks45 decks
22%synergy
Chasm Skulker
20%inclusion10 decks49 decks
7%synergy
Slinn Voda, the Rising Deep
18%inclusion9 decks49 decks
17%synergy
Dreamtide Whale
17%inclusion8 decks48 decks
12%synergy
Biblioplex Kraken
16%inclusion8 decks49 decks
16%synergy
Deep-Sea Kraken
16%inclusion8 decks49 decks
15%synergy
Archetype of Imagination
16%inclusion8 decks49 decks
12%synergy
Zygon Infiltrator
16%inclusion8 decks49 decks
16%synergy
Stormsurge Kraken
16%inclusion8 decks49 decks
15%synergy
Tromokratis
16%inclusion8 decks49 decks
15%synergy
Tidal Force
14%inclusion7 decks49 decks
14%synergy
Frostfist Strider
14%inclusion7 decks49 decks
14%synergy
Kiora's Dambreaker
14%inclusion7 decks49 decks
14%synergy
Tolarian Kraken
14%inclusion7 decks49 decks
13%synergy
Burnished Hart
14%inclusion7 decks49 decks
8%synergy
Meneldor, Swift Savior
14%inclusion7 decks49 decks
13%synergy
Petrifying Meddler
13%inclusion6 decks48 decks
12%synergy
Shackle Slinger
12%inclusion6 decks49 decks
12%synergy
Nezahal, Primal Tide
12%inclusion6 decks49 decks
4%synergy
Starwinder
12%inclusion3 decks25 decks
9%synergy
Summon: Shiva
11%inclusion4 decks36 decks
10%synergy
Pollywog Prodigy
11%inclusion5 decks45 decks
7%synergy
Mulldrifter
10%inclusion5 decks49 decks
3%synergy
Brinelin, the Moon Kraken
10%inclusion5 decks49 decks
10%synergy
Crimestopper Sprite
10%inclusion5 decks49 decks
10%synergy
Archaeomancer
10%inclusion5 decks49 decks
-5%synergy
Junk Winder
10%inclusion5 decks49 decks
8%synergy
Snaremaster Sprite
10%inclusion5 decks49 decks
10%synergy
Niblis of Frost
10%inclusion5 decks49 decks
9%synergy
Gilded Scuttler
10%inclusion4 decks42 decks
9%synergy
Instants
Experimental Augury
43%inclusion21 decks49 decks
38%synergy
Succumb to the Cold
43%inclusion21 decks49 decks
43%synergy
Blustersquall
37%inclusion18 decks49 decks
36%synergy
Teferi's Time Twist
37%inclusion18 decks49 decks
31%synergy
Negate
35%inclusion17 decks49 decks
-3%synergy
Reject Imperfection
33%inclusion16 decks49 decks
30%synergy
Trap the Trespassers
33%inclusion16 decks49 decks
32%synergy
Pongify
31%inclusion15 decks49 decks
-9%synergy
Fuel for the Cause
31%inclusion15 decks49 decks
29%synergy
Wicked Slumber
29%inclusion14 decks49 decks
28%synergy
Reality Shift
29%inclusion14 decks49 decks
2%synergy
Swan Song
29%inclusion14 decks49 decks
2%synergy
Blur
24%inclusion12 decks49 decks
19%synergy
Rapid Hybridization
22%inclusion11 decks49 decks
-12%synergy
Ghostly Flicker
22%inclusion11 decks49 decks
11%synergy
Planar Incision
20%inclusion10 decks49 decks
15%synergy
Displace
18%inclusion9 decks49 decks
14%synergy
Out Cold
18%inclusion9 decks49 decks
18%synergy
An Offer You Can't Refuse
16%inclusion8 decks49 decks
-21%synergy
Mana Drain
16%inclusion8 decks49 decks
-11%synergy
Filter Out
16%inclusion8 decks49 decks
13%synergy
Arcane Denial
16%inclusion8 decks49 decks
-20%synergy
Dramatic Reversal
16%inclusion8 decks49 decks
-3%synergy
Resculpt
16%inclusion8 decks49 decks
-1%synergy
Brainstorm
14%inclusion7 decks49 decks
-27%synergy
Clockspinning
14%inclusion7 decks49 decks
11%synergy
Hide on the Ceiling
14%inclusion3 decks21 decks
12%synergy
Blue Sun's Zenith
12%inclusion6 decks49 decks
1%synergy
Ripples of Potential
12%inclusion6 decks49 decks
10%synergy
Opt
12%inclusion6 decks49 decks
-13%synergy
Radstorm
12%inclusion6 decks49 decks
10%synergy
Prologue to Phyresis
10%inclusion5 decks49 decks
7%synergy
Hithlain Knots
10%inclusion5 decks49 decks
9%synergy
Siren's Ruse
10%inclusion5 decks49 decks
9%synergy
Downpour
10%inclusion5 decks49 decks
10%synergy
Amazing Acrobatics
10%inclusion2 decks21 decks
8%synergy
Disdainful Stroke
8.2%inclusion4 decks49 decks
3%synergy
Illusionist's Stratagem
8.2%inclusion4 decks49 decks
6%synergy
Delay
8.2%inclusion4 decks49 decks
5%synergy
Send to Sleep
8.2%inclusion4 decks49 decks
8%synergy
Strix Serenade
6.3%inclusion3 decks48 decks
-3%synergy
Geistwave
6.1%inclusion3 decks49 decks
5%synergy
Frantic Search
6.1%inclusion3 decks49 decks
-25%synergy
Essence Scatter
6.1%inclusion3 decks49 decks
2%synergy
Dispel
6.1%inclusion3 decks49 decks
-3%synergy
Cancel
6.1%inclusion3 decks49 decks
1%synergy
Archmage's Charm
6.1%inclusion3 decks49 decks
-11%synergy
Rewind
6.1%inclusion3 decks49 decks
-6%synergy
Spell Pierce
6.1%inclusion3 decks49 decks
-2%synergy
Abjure
6.1%inclusion3 decks49 decks
2%synergy
Sorceries
Vivisurgeon's Insight
35%inclusion17 decks49 decks
33%synergy
Theft of Dreams
31%inclusion15 decks49 decks
30%synergy
Involuntary Cooldown
31%inclusion15 decks49 decks
30%synergy
Whelming Wave
31%inclusion15 decks49 decks
27%synergy
Tranquilize
23%inclusion11 decks47 decks
23%synergy
Mind Spiral
22%inclusion10 decks45 decks
22%synergy
Ponder
16%inclusion8 decks49 decks
-13%synergy
Spectral Deluge
14%inclusion7 decks49 decks
4%synergy
Preordain
14%inclusion7 decks49 decks
-9%synergy
Splash Portal
13%inclusion6 decks45 decks
11%synergy
Stall Out
11%inclusion4 decks37 decks
10%synergy
Call to Mind
10%inclusion5 decks49 decks
9%synergy
Energy Tap
8.2%inclusion4 decks49 decks
5%synergy
Crush of Tentacles
8.2%inclusion4 decks49 decks
7%synergy
Displacement Wave
6.1%inclusion3 decks49 decks
6%synergy
Fabricate
6.1%inclusion3 decks49 decks
-15%synergy
Curse of the Swine
6.1%inclusion3 decks49 decks
-5%synergy
Voidwalk
6.1%inclusion3 decks49 decks
6%synergy
Deep Analysis
6.1%inclusion3 decks49 decks
1%synergy
Utility Artifacts
Sapphire Medallion
41%inclusion20 decks49 decks
-18%synergy
Mjölnir, Storm Hammer
32%inclusion15 decks47 decks
31%synergy
Kefnet's Monument
29%inclusion14 decks49 decks
22%synergy
Contagion Clasp
20%inclusion10 decks49 decks
19%synergy
Cloud Key
18%inclusion9 decks49 decks
11%synergy
Wayfarer's Bauble
18%inclusion9 decks49 decks
1%synergy
Swiftfoot Boots
16%inclusion8 decks49 decks
-12%synergy
Lodestone Needle
16%inclusion8 decks49 decks
16%synergy
Contagion Engine
14%inclusion7 decks49 decks
13%synergy
Isochron Scepter
14%inclusion7 decks49 decks
-3%synergy
Bident of Thassa
14%inclusion7 decks49 decks
2%synergy
Cryogen Relic
12%inclusion3 decks25 decks
8%synergy
Sword of Truth and Justice
8.2%inclusion4 decks49 decks
7%synergy
Hylda's Crown of Winter
8.2%inclusion4 decks49 decks
8%synergy
The Water Crystal
6.5%inclusion2 decks31 decks
-4%synergy
Waterbending Scroll
6.3%inclusion1 decks16 decks
-2%synergy
Voyager Staff
6.1%inclusion3 decks49 decks
6%synergy
Thaumatic Compass
6.1%inclusion3 decks49 decks
5%synergy
Enchantments
Mesmerizing Dose
41%inclusion20 decks49 decks
40%synergy
Lost in the Maze
41%inclusion20 decks49 decks
39%synergy
Ominous Seas
33%inclusion16 decks49 decks
22%synergy
Scroll of Isildur
33%inclusion16 decks49 decks
32%synergy
Leyline of Anticipation
29%inclusion14 decks49 decks
20%synergy
Kitnap
18%inclusion8 decks45 decks
17%synergy
Omniscience
16%inclusion8 decks49 decks
8%synergy
Quest for Ula's Temple
12%inclusion6 decks49 decks
12%synergy
Propaganda
12%inclusion6 decks49 decks
-19%synergy
Archmage Ascension
10%inclusion5 decks49 decks
8%synergy
Wizard Class
10%inclusion5 decks49 decks
-7%synergy
Mystic Remora
10%inclusion5 decks49 decks
-16%synergy
Meat Locker // Drowned Diner
9.1%inclusion4 decks44 decks
9%synergy
Ringing Strike Mastery
8.3%inclusion3 decks36 decks
8%synergy
Back to Basics
8.2%inclusion4 decks49 decks
1%synergy
Frozen Aether
8.2%inclusion4 decks49 decks
7%synergy
Flood
8.2%inclusion4 decks49 decks
8%synergy
Eaten by Piranhas
8.2%inclusion4 decks49 decks
5%synergy
As Foretold
8.2%inclusion4 decks49 decks
4%synergy
Kiora Bests the Sea God
6.1%inclusion3 decks49 decks
5%synergy
Training Grounds
6.1%inclusion3 decks49 decks
-1%synergy
Auramancer's Guise
6.1%inclusion3 decks49 decks
6%synergy
Fresh Start
5.7%inclusion2 decks35 decks
5%synergy
Flood the Engine
5.4%inclusion2 decks37 decks
5%synergy
Battles
Invasion of Segovia
6.1%inclusion3 decks49 decks
4%synergy
Planeswalkers
Tamiyo, the Moon Sage
41%inclusion20 decks49 decks
39%synergy
Karn, Living Legacy
6.1%inclusion3 decks49 decks
5%synergy
Utility Lands
Mystic Sanctuary
55%inclusion27 decks49 decks
5%synergy
Karn's Bastion
51%inclusion25 decks49 decks
46%synergy
Reliquary Tower
49%inclusion24 decks49 decks
-7%synergy
Rogue's Passage
29%inclusion14 decks49 decks
13%synergy
Nykthos, Shrine to Nyx
27%inclusion13 decks49 decks
10%synergy
Temple of the False God
22%inclusion11 decks49 decks
13%synergy
Mage-Ring Network
20%inclusion10 decks49 decks
19%synergy
Castle Vantress
20%inclusion10 decks49 decks
2%synergy
Remote Isle
18%inclusion9 decks49 decks
14%synergy
Rivendell
18%inclusion9 decks49 decks
8%synergy
Coral Atoll
16%inclusion8 decks49 decks
13%synergy
Academy Ruins
16%inclusion8 decks49 decks
-2%synergy
Terrain Generator
16%inclusion8 decks49 decks
8%synergy
Dark Depths
14%inclusion7 decks49 decks
13%synergy
Otawara, Soaring City
14%inclusion7 decks49 decks
-11%synergy
Nesting Grounds
12%inclusion6 decks49 decks
10%synergy
Saprazzan Cove
12%inclusion6 decks49 decks
12%synergy
Minamo, School at Water's Edge
10%inclusion5 decks49 decks
-2%synergy
Sand Silos
8.2%inclusion4 decks49 decks
8%synergy
War Room
8.2%inclusion4 decks49 decks
-7%synergy
Lonely Sandbar
8.2%inclusion4 decks49 decks
-6%synergy
Sunken Palace
6.3%inclusion3 decks48 decks
2%synergy
Urza's Mine
6.1%inclusion3 decks49 decks
2%synergy
Urza's Tower
6.1%inclusion3 decks49 decks
2%synergy
Seat of the Synod
6.1%inclusion3 decks49 decks
-13%synergy
Soaring Seacliff
6.1%inclusion3 decks49 decks
5%synergy
Ice Floe
6.1%inclusion3 decks49 decks
6%synergy
Urza's Power Plant
6.1%inclusion3 decks49 decks
2%synergy
Mana Artifacts
Sol Ring
80%inclusion39 decks49 decks
-5%synergy
Arcane Signet
59%inclusion29 decks49 decks
-6%synergy
Everflowing Chalice
49%inclusion24 decks49 decks
33%synergy
Thran Dynamo
41%inclusion20 decks49 decks
28%synergy
Thought Vessel
39%inclusion19 decks49 decks
-13%synergy
Midnight Clock
35%inclusion17 decks49 decks
15%synergy
Extraplanar Lens
29%inclusion14 decks49 decks
21%synergy
Astral Cornucopia
27%inclusion13 decks49 decks
24%synergy
Sceptre of Eternal Glory
24%inclusion12 decks49 decks
21%synergy
Caged Sun
18%inclusion9 decks49 decks
7%synergy
Empowered Autogenerator
18%inclusion9 decks49 decks
17%synergy
Staff of Compleation
16%inclusion8 decks49 decks
14%synergy
Sky Diamond
16%inclusion8 decks49 decks
-6%synergy
Mind Stone
16%inclusion8 decks49 decks
-19%synergy
Throne of Eldraine
12%inclusion6 decks49 decks
3%synergy
Fellwar Stone
12%inclusion6 decks49 decks
-7%synergy
Worn Powerstone
12%inclusion6 decks49 decks
7%synergy
Replicating Ring
8.2%inclusion4 decks49 decks
6%synergy
Hedron Archive
8.2%inclusion4 decks49 decks
3%synergy
Decanter of Endless Water
8.2%inclusion4 decks49 decks
-6%synergy
Commander's Sphere
6.1%inclusion3 decks49 decks
-3%synergy
Blue Mana Battery
6.1%inclusion3 decks49 decks
6%synergy
Gilded Lotus
6.1%inclusion3 decks49 decks
-5%synergy
Misleading Signpost
6.1%inclusion3 decks49 decks
2%synergy
Aetheric Amplifier
5.3%inclusion2 decks38 decks
4%synergy
Lands
Island
86%inclusion42 decks49 decks
-8%synergy
Myriad Landscape
49%inclusion24 decks49 decks
23%synergy
Snow-Covered Island
16%inclusion8 decks49 decks
9%synergy
Evolving Wilds
10%inclusion5 decks49 decks
6%synergy
Command Tower
8.2%inclusion4 decks49 decks
4%synergy
Cavern of Souls
6.1%inclusion3 decks49 decks
2%synergy