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
Tezzeret's Gambit
61%inclusion28 decks46 decks
56%synergy
Fear of Sleep Paralysis
56%inclusion23 decks41 decks
55%synergy
The Watcher in the Water
57%inclusion26 decks46 decks
55%synergy
Thrummingbird
59%inclusion27 decks46 decks
54%synergy
Borrowing 100,000 Arrows
54%inclusion25 decks46 decks
53%synergy
Conjurer's Closet
57%inclusion26 decks46 decks
52%synergy
Impede Momentum
52%inclusion24 decks46 decks
52%synergy
Steady Progress
52%inclusion24 decks46 decks
49%synergy
Serum Snare
52%inclusion24 decks46 decks
49%synergy
Inexorable Tide
52%inclusion24 decks46 decks
48%synergy
Top Cards
Counterspell
70%inclusion32 decks46 decks
3%synergy
Essence Flux
57%inclusion26 decks46 decks
48%synergy
Contentious Plan
52%inclusion24 decks46 decks
48%synergy
Flux Channeler
52%inclusion24 decks46 decks
47%synergy
High Tide
50%inclusion23 decks46 decks
6%synergy
Lulu, Stern Guardian
46%inclusion13 decks28 decks
44%synergy
Experimental Augury
46%inclusion21 decks46 decks
41%synergy
Succumb to the Cold
46%inclusion21 decks46 decks
45%synergy
Freeze in Place
46%inclusion21 decks46 decks
45%synergy
Grappling Kraken
44%inclusion17 decks39 decks
42%synergy
Game Changers
Rhystic Study
28%inclusion13 decks46 decks
-4%synergy
Mystical Tutor
20%inclusion9 decks46 decks
-3%synergy
Cyclonic Rift
20%inclusion9 decks46 decks
-13%synergy
Fierce Guardianship
11%inclusion5 decks46 decks
-12%synergy
Consecrated Sphinx
6.5%inclusion3 decks46 decks
-6%synergy
Force of Will
6.5%inclusion3 decks46 decks
-10%synergy
Creatures
Displacer Kitten
43%inclusion20 decks46 decks
34%synergy
Guildpact Informant
43%inclusion20 decks46 decks
42%synergy
Tekuthal, Inquiry Dominus
43%inclusion20 decks46 decks
41%synergy
Deepglow Skate
41%inclusion19 decks46 decks
40%synergy
Thassa, Deep-Dwelling
39%inclusion18 decks46 decks
35%synergy
Floodpits Drowner
38%inclusion16 decks42 decks
37%synergy
Solemn Simulacrum
37%inclusion17 decks46 decks
15%synergy
Reservoir Kraken
37%inclusion17 decks46 decks
36%synergy
Referee Squad
37%inclusion17 decks46 decks
37%synergy
Thryx, the Sudden Storm
35%inclusion16 decks46 decks
34%synergy
Palladium Myr
35%inclusion16 decks46 decks
31%synergy
Silver Myr
33%inclusion15 decks46 decks
22%synergy
Shipbreaker Kraken
33%inclusion15 decks46 decks
32%synergy
Spawning Kraken
33%inclusion15 decks46 decks
31%synergy
Nadir Kraken
30%inclusion14 decks46 decks
25%synergy
Gitaxian Anatomist
30%inclusion14 decks46 decks
30%synergy
Hullbreaker Horror
30%inclusion14 decks46 decks
6%synergy
Defiler of Dreams
26%inclusion12 decks46 decks
18%synergy
Serpent of Yawning Depths
26%inclusion12 decks46 decks
25%synergy
Lorthos, the Tidemaker
26%inclusion12 decks46 decks
25%synergy
Splash Lasher
24%inclusion10 decks42 decks
24%synergy
Scourge of Fleets
22%inclusion10 decks46 decks
10%synergy
Chasm Skulker
22%inclusion10 decks46 decks
9%synergy
Dreamtide Whale
18%inclusion8 decks45 decks
14%synergy
Deep-Sea Kraken
17%inclusion8 decks46 decks
16%synergy
Zygon Infiltrator
17%inclusion8 decks46 decks
17%synergy
Stormsurge Kraken
17%inclusion8 decks46 decks
16%synergy
Slinn Voda, the Rising Deep
17%inclusion8 decks46 decks
16%synergy
Tromokratis
17%inclusion8 decks46 decks
16%synergy
Biblioplex Kraken
17%inclusion8 decks46 decks
17%synergy
Tidal Force
15%inclusion7 decks46 decks
15%synergy
Frostfist Strider
15%inclusion7 decks46 decks
15%synergy
Burnished Hart
15%inclusion7 decks46 decks
9%synergy
Archetype of Imagination
15%inclusion7 decks46 decks
11%synergy
Meneldor, Swift Savior
15%inclusion7 decks46 decks
14%synergy
Kiora's Dambreaker
15%inclusion7 decks46 decks
15%synergy
Starwinder
14%inclusion3 decks22 decks
10%synergy
Petrifying Meddler
13%inclusion6 decks45 decks
13%synergy
Shackle Slinger
13%inclusion6 decks46 decks
13%synergy
Tolarian Kraken
13%inclusion6 decks46 decks
12%synergy
Summon: Shiva
12%inclusion4 decks33 decks
11%synergy
Pollywog Prodigy
12%inclusion5 decks42 decks
8%synergy
Brinelin, the Moon Kraken
11%inclusion5 decks46 decks
10%synergy
Junk Winder
11%inclusion5 decks46 decks
9%synergy
Crimestopper Sprite
11%inclusion5 decks46 decks
11%synergy
Archaeomancer
11%inclusion5 decks46 decks
-4%synergy
Nezahal, Primal Tide
11%inclusion5 decks46 decks
3%synergy
Snaremaster Sprite
11%inclusion5 decks46 decks
10%synergy
Niblis of Frost
11%inclusion5 decks46 decks
10%synergy
Gilded Scuttler
10%inclusion4 decks39 decks
10%synergy
Instants
Teferi's Time Twist
39%inclusion18 decks46 decks
34%synergy
Blustersquall
37%inclusion17 decks46 decks
36%synergy
Reject Imperfection
35%inclusion16 decks46 decks
32%synergy
Negate
35%inclusion16 decks46 decks
-3%synergy
Trap the Trespassers
35%inclusion16 decks46 decks
35%synergy
Fuel for the Cause
33%inclusion15 decks46 decks
31%synergy
Wicked Slumber
30%inclusion14 decks46 decks
30%synergy
Pongify
28%inclusion13 decks46 decks
-12%synergy
Swan Song
28%inclusion13 decks46 decks
2%synergy
Blur
26%inclusion12 decks46 decks
20%synergy
Reality Shift
26%inclusion12 decks46 decks
-1%synergy
Rapid Hybridization
20%inclusion9 decks46 decks
-15%synergy
Out Cold
20%inclusion9 decks46 decks
19%synergy
Displace
20%inclusion9 decks46 decks
16%synergy
Ghostly Flicker
20%inclusion9 decks46 decks
8%synergy
Planar Incision
20%inclusion9 decks46 decks
15%synergy
Filter Out
17%inclusion8 decks46 decks
14%synergy
Hide on the Ceiling
17%inclusion3 decks18 decks
14%synergy
Clockspinning
15%inclusion7 decks46 decks
12%synergy
Mana Drain
15%inclusion7 decks46 decks
-12%synergy
Brainstorm
15%inclusion7 decks46 decks
-26%synergy
Arcane Denial
15%inclusion7 decks46 decks
-21%synergy
Dramatic Reversal
15%inclusion7 decks46 decks
-4%synergy
An Offer You Can't Refuse
13%inclusion6 decks46 decks
-24%synergy
Resculpt
13%inclusion6 decks46 decks
-4%synergy
Radstorm
13%inclusion6 decks46 decks
11%synergy
Opt
13%inclusion6 decks46 decks
-12%synergy
Siren's Ruse
11%inclusion5 decks46 decks
9%synergy
Hithlain Knots
11%inclusion5 decks46 decks
10%synergy
Downpour
11%inclusion5 decks46 decks
11%synergy
Ripples of Potential
11%inclusion5 decks46 decks
8%synergy
Disdainful Stroke
8.7%inclusion4 decks46 decks
4%synergy
Illusionist's Stratagem
8.7%inclusion4 decks46 decks
7%synergy
Blue Sun's Zenith
8.7%inclusion4 decks46 decks
-3%synergy
Prologue to Phyresis
8.7%inclusion4 decks46 decks
6%synergy
Send to Sleep
8.7%inclusion4 decks46 decks
9%synergy
Geistwave
6.5%inclusion3 decks46 decks
5%synergy
Frantic Search
6.5%inclusion3 decks46 decks
-24%synergy
Archmage's Charm
6.5%inclusion3 decks46 decks
-10%synergy
Force Spike
6.5%inclusion3 decks46 decks
6%synergy
Delay
6.5%inclusion3 decks46 decks
3%synergy
Snap
6.5%inclusion3 decks46 decks
-12%synergy
Rewind
6.5%inclusion3 decks46 decks
-6%synergy
Spell Pierce
6.5%inclusion3 decks46 decks
-2%synergy
Deduce
6.5%inclusion3 decks46 decks
5%synergy
Abjure
6.5%inclusion3 decks46 decks
2%synergy
Unwind
6.5%inclusion3 decks46 decks
-3%synergy
Amazing Acrobatics
5.6%inclusion1 decks18 decks
4%synergy
Refute
5.1%inclusion2 decks39 decks
0%synergy
Sorceries
Vivisurgeon's Insight
37%inclusion17 decks46 decks
35%synergy
Involuntary Cooldown
33%inclusion15 decks46 decks
32%synergy
Theft of Dreams
30%inclusion14 decks46 decks
30%synergy
Whelming Wave
28%inclusion13 decks46 decks
24%synergy
Tranquilize
25%inclusion11 decks44 decks
25%synergy
Mind Spiral
24%inclusion10 decks42 decks
23%synergy
Ponder
15%inclusion7 decks46 decks
-14%synergy
Splash Portal
14%inclusion6 decks42 decks
12%synergy
Preordain
13%inclusion6 decks46 decks
-11%synergy
Spectral Deluge
13%inclusion6 decks46 decks
3%synergy
Stall Out
12%inclusion4 decks34 decks
11%synergy
Call to Mind
11%inclusion5 decks46 decks
10%synergy
Energy Tap
8.7%inclusion4 decks46 decks
6%synergy
Crush of Tentacles
8.7%inclusion4 decks46 decks
8%synergy
Displacement Wave
6.5%inclusion3 decks46 decks
6%synergy
Fabricate
6.5%inclusion3 decks46 decks
-15%synergy
Curse of the Swine
6.5%inclusion3 decks46 decks
-5%synergy
Voidwalk
6.5%inclusion3 decks46 decks
6%synergy
Utility Artifacts
Sapphire Medallion
41%inclusion19 decks46 decks
-18%synergy
Mjölnir, Storm Hammer
34%inclusion15 decks44 decks
33%synergy
Kefnet's Monument
28%inclusion13 decks46 decks
22%synergy
Contagion Clasp
22%inclusion10 decks46 decks
20%synergy
Cloud Key
17%inclusion8 decks46 decks
10%synergy
Lodestone Needle
17%inclusion8 decks46 decks
17%synergy
Wayfarer's Bauble
15%inclusion7 decks46 decks
-2%synergy
Contagion Engine
15%inclusion7 decks46 decks
14%synergy
Swiftfoot Boots
15%inclusion7 decks46 decks
-13%synergy
Bident of Thassa
15%inclusion7 decks46 decks
3%synergy
Cryogen Relic
14%inclusion3 decks22 decks
10%synergy
Isochron Scepter
11%inclusion5 decks46 decks
-6%synergy
Hylda's Crown of Winter
8.7%inclusion4 decks46 decks
8%synergy
Sword of Truth and Justice
8.7%inclusion4 decks46 decks
8%synergy
The Water Crystal
7.1%inclusion2 decks28 decks
-4%synergy
Voyager Staff
6.5%inclusion3 decks46 decks
6%synergy
Thaumatic Compass
6.5%inclusion3 decks46 decks
6%synergy
Leyline Axe
5.1%inclusion2 decks39 decks
3%synergy
Enchantments
Mesmerizing Dose
43%inclusion20 decks46 decks
42%synergy
Verity Circle
43%inclusion20 decks46 decks
42%synergy
Lost in the Maze
43%inclusion20 decks46 decks
42%synergy
Ominous Seas
35%inclusion16 decks46 decks
24%synergy
Scroll of Isildur
35%inclusion16 decks46 decks
34%synergy
Leyline of Anticipation
30%inclusion14 decks46 decks
21%synergy
Kitnap
19%inclusion8 decks42 decks
19%synergy
Omniscience
17%inclusion8 decks46 decks
9%synergy
Quest for Ula's Temple
13%inclusion6 decks46 decks
13%synergy
Wizard Class
11%inclusion5 decks46 decks
-6%synergy
Archmage Ascension
11%inclusion5 decks46 decks
9%synergy
Propaganda
11%inclusion5 decks46 decks
-20%synergy
Mystic Remora
11%inclusion5 decks46 decks
-16%synergy
Back to Basics
8.7%inclusion4 decks46 decks
2%synergy
Frozen Aether
8.7%inclusion4 decks46 decks
8%synergy
As Foretold
8.7%inclusion4 decks46 decks
5%synergy
Flood
8.7%inclusion4 decks46 decks
9%synergy
Eaten by Piranhas
8.7%inclusion4 decks46 decks
6%synergy
Meat Locker // Drowned Diner
7.3%inclusion3 decks41 decks
7%synergy
Training Grounds
6.5%inclusion3 decks46 decks
-1%synergy
Auramancer's Guise
6.5%inclusion3 decks46 decks
6%synergy
Kiora Bests the Sea God
6.5%inclusion3 decks46 decks
5%synergy
Fresh Start
6.3%inclusion2 decks32 decks
6%synergy
Ringing Strike Mastery
6.1%inclusion2 decks33 decks
6%synergy
Flood the Engine
5.9%inclusion2 decks34 decks
6%synergy
Battles
Invasion of Segovia
6.5%inclusion3 decks46 decks
5%synergy
Planeswalkers
Tamiyo, the Moon Sage
43%inclusion20 decks46 decks
42%synergy
Karn, Living Legacy
6.5%inclusion3 decks46 decks
6%synergy
Utility Lands
Mystic Sanctuary
57%inclusion26 decks46 decks
7%synergy
Karn's Bastion
52%inclusion24 decks46 decks
47%synergy
Reliquary Tower
48%inclusion22 decks46 decks
-8%synergy
Rogue's Passage
28%inclusion13 decks46 decks
13%synergy
Nykthos, Shrine to Nyx
26%inclusion12 decks46 decks
10%synergy
Temple of the False God
24%inclusion11 decks46 decks
14%synergy
Mage-Ring Network
22%inclusion10 decks46 decks
21%synergy
Castle Vantress
22%inclusion10 decks46 decks
3%synergy
Rivendell
20%inclusion9 decks46 decks
9%synergy
Remote Isle
17%inclusion8 decks46 decks
13%synergy
Coral Atoll
17%inclusion8 decks46 decks
14%synergy
Academy Ruins
17%inclusion8 decks46 decks
-1%synergy
Terrain Generator
17%inclusion8 decks46 decks
10%synergy
Otawara, Soaring City
15%inclusion7 decks46 decks
-10%synergy
Nesting Grounds
13%inclusion6 decks46 decks
11%synergy
Saprazzan Cove
13%inclusion6 decks46 decks
13%synergy
Dark Depths
13%inclusion6 decks46 decks
12%synergy
Minamo, School at Water's Edge
11%inclusion5 decks46 decks
-2%synergy
Sand Silos
8.7%inclusion4 decks46 decks
8%synergy
War Room
8.7%inclusion4 decks46 decks
-7%synergy
Lonely Sandbar
8.7%inclusion4 decks46 decks
-5%synergy
Sunken Palace
6.7%inclusion3 decks45 decks
3%synergy
Urza's Tower
6.5%inclusion3 decks46 decks
2%synergy
Urza's Mine
6.5%inclusion3 decks46 decks
2%synergy
Seat of the Synod
6.5%inclusion3 decks46 decks
-12%synergy
Soaring Seacliff
6.5%inclusion3 decks46 decks
6%synergy
Ice Floe
6.5%inclusion3 decks46 decks
6%synergy
Urza's Power Plant
6.5%inclusion3 decks46 decks
2%synergy
Mana Artifacts
Sol Ring
78%inclusion36 decks46 decks
-7%synergy
Arcane Signet
59%inclusion27 decks46 decks
-6%synergy
Everflowing Chalice
50%inclusion23 decks46 decks
34%synergy
Thran Dynamo
43%inclusion20 decks46 decks
31%synergy
Thought Vessel
39%inclusion18 decks46 decks
-13%synergy
Midnight Clock
35%inclusion16 decks46 decks
15%synergy
Astral Cornucopia
28%inclusion13 decks46 decks
25%synergy
Extraplanar Lens
28%inclusion13 decks46 decks
20%synergy
Sceptre of Eternal Glory
24%inclusion11 decks46 decks
20%synergy
Empowered Autogenerator
20%inclusion9 decks46 decks
18%synergy
Caged Sun
17%inclusion8 decks46 decks
6%synergy
Staff of Compleation
17%inclusion8 decks46 decks
15%synergy
Sky Diamond
15%inclusion7 decks46 decks
-7%synergy
Mind Stone
15%inclusion7 decks46 decks
-20%synergy
Throne of Eldraine
13%inclusion6 decks46 decks
4%synergy
Worn Powerstone
13%inclusion6 decks46 decks
8%synergy
Fellwar Stone
11%inclusion5 decks46 decks
-9%synergy
Replicating Ring
8.7%inclusion4 decks46 decks
7%synergy
Decanter of Endless Water
8.7%inclusion4 decks46 decks
-5%synergy
Commander's Sphere
6.5%inclusion3 decks46 decks
-3%synergy
Hedron Archive
6.5%inclusion3 decks46 decks
1%synergy
Gilded Lotus
6.5%inclusion3 decks46 decks
-4%synergy
Misleading Signpost
6.5%inclusion3 decks46 decks
3%synergy
Blue Mana Battery
6.5%inclusion3 decks46 decks
6%synergy
Aetheric Amplifier
5.7%inclusion2 decks35 decks
5%synergy
Bender's Waterskin
5.0%inclusion1 decks20 decks
-5%synergy
Lands
Island
87%inclusion40 decks46 decks
-7%synergy
Myriad Landscape
50%inclusion23 decks46 decks
24%synergy
Snow-Covered Island
13%inclusion6 decks46 decks
5%synergy
Command Tower
8.7%inclusion4 decks46 decks
4%synergy
Evolving Wilds
8.7%inclusion4 decks46 decks
4%synergy
Cavern of Souls
6.5%inclusion3 decks46 decks
2%synergy