Underground Sea (Card)

Underground Sea

In 204522 decks 14.30% of 1429988 decks

Mar 2, 2025

"Eternal Might" Precon Transformation | EDH to Canadian Highlander

CanLander might not have precons, but did you know you can transform a Commander precon into a legal CanLander deck with just a few changes?

Nov 29, 2024

Bennie Smith

Foundations: How to Build Mana Bases

Don't know where to start with your mana base? Take a look at our guide!

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Kraum, Ludevic's Opus // Tymna the Weaver

81.33% of 7268 decks 5911 decks

Yuriko, the Tiger's Shadow

21.63% of 25796 decks 5580 decks

Thrasios, Triton Hero // Tymna the Weaver

72.71% of 7245 decks 5268 decks

Kenrith, the Returned King

20.92% of 23940 decks 5009 decks

Sisay, Weatherlight Captain

34.60% of 13215 decks 4573 decks

Atraxa, Praetors' Voice

11.54% of 35979 decks 4152 decks

Tivit, Seller of Secrets

33.72% of 12303 decks 4149 decks

Najeela, the Blade-Blossom

34.83% of 11451 decks 3988 decks

Atraxa, Grand Unifier

26.96% of 14566 decks 3927 decks

The Ur-Dragon

11.47% of 34087 decks 3909 decks

Hashaton, Scarab's Fist

28.97% of 12203 decks 3535 decks

Rograkh, Son of Rohgahh // Silas Renn, Seeker Adept

79.02% of 4361 decks 3446 decks

Nekusar, the Mindrazer

15.92% of 21233 decks 3381 decks

Talion, the Kindly Lord

39.22% of 8164 decks 3202 decks

Sauron, the Dark Lord

10.95% of 26936 decks 2950 decks

Esika, God of the Tree

14.33% of 19661 decks 2818 decks

Zur the Enchanter

21.78% of 12007 decks 2615 decks

Glarb, Calamity's Augur

24.85% of 9838 decks 2445 decks

Marneus Calgar

20.20% of 11552 decks 2333 decks

Muldrotha, the Gravetide

13.12% of 17651 decks 2316 decks

New Cards

Voice of Victory

21% of 14061 decks +15% synergy

Mistrise Village

12% of 25773 decks +6% synergy

Call the Spirit Dragons

11% of 4828 decks -1% synergy

Ureni of the Unwritten

9% of 6028 decks +2% synergy

Dracogenesis

8% of 11236 decks +5% synergy

High Synergy Cards

Esper Sentinel

56% of 105448 decks +36% synergy

Silence

41% of 105448 decks +35% synergy

Lotus Petal

42% of 204523 decks +35% synergy

Mystic Remora

51% of 204523 decks +34% synergy

Birds of Paradise

61% of 88400 decks +34% synergy

Boseiju, Who Endures

52% of 88400 decks +33% synergy

Otawara, Soaring City

49% of 204523 decks +33% synergy

Cyclonic Rift

59% of 204523 decks +32% synergy

Swan Song

48% of 204523 decks +32% synergy

Deflecting Swat

48% of 93585 decks +31% synergy

Top Cards

Swords to Plowshares

65% of 105448 decks +2% synergy

Smothering Tithe

53% of 105448 decks +30% synergy

Dark Ritual

42% of 204523 decks +20% synergy

Noble Hierarch

40% of 59058 decks +24% synergy

Orcish Bowmasters

39% of 197559 decks +30% synergy

An Offer You Can't Refuse

39% of 204523 decks +17% synergy

Mana Drain

39% of 204523 decks +24% synergy

Mystical Tutor

39% of 204523 decks +25% synergy

Force of Negation

39% of 204523 decks +30% synergy

Thassa's Oracle

38% of 204523 decks +31% synergy

Game Changers

Rhystic Study

69% of 204523 decks +43% synergy

Demonic Tutor

67% of 204523 decks +46% synergy

Vampiric Tutor

62% of 204523 decks +44% synergy

Fierce Guardianship

57% of 204523 decks +39% synergy

Enlightened Tutor

55% of 105448 decks +38% synergy

Ancient Tomb

51% of 204523 decks +40% synergy

Force of Will

49% of 204523 decks +38% synergy

Chrome Mox

45% of 204523 decks +39% synergy

Mox Diamond

42% of 204523 decks +37% synergy

Mana Vault

39% of 204523 decks +33% synergy

Creatures

Grand Abolisher

37% of 105448 decks +28% synergy

Deathrite Shaman

36% of 88400 decks +24% synergy

Lotho, Corrupt Shirriff

35% of 101566 decks +22% synergy

Ragavan, Nimble Pilferer

35% of 93585 decks +27% synergy

Ignoble Hierarch

34% of 48681 decks +9% synergy

Delighted Halfling

34% of 87059 decks +22% synergy

Ranger-Captain of Eos

33% of 105448 decks +28% synergy

Bloom Tender

32% of 88400 decks +25% synergy

Dockside Extortionist

32% of 93585 decks +24% synergy

Opposition Agent

32% of 204523 decks +25% synergy

Drannith Magistrate

29% of 105448 decks +23% synergy

Simian Spirit Guide

25% of 93585 decks +20% synergy

Faeburrow Elder

23% of 59058 decks +12% synergy

Dauthi Voidwalker

20% of 204523 decks +13% synergy

Elvish Spirit Guide

20% of 88400 decks +16% synergy

Kinnan, Bonder Prodigy

18% of 88400 decks +14% synergy

Seedborn Muse

18% of 88400 decks +9% synergy

Kutzil, Malamet Exemplar

18% of 48451 decks +3% synergy

Eternal Witness

18% of 88400 decks -2% synergy

Archivist of Oghma

17% of 105448 decks +11% synergy

Phyrexian Metamorph

16% of 204523 decks +9% synergy

Derevi, Empyrial Tactician

16% of 59058 decks +12% synergy

Valley Floodcaller

14% of 114668 decks +11% synergy

Faerie Mastermind

14% of 204523 decks +8% synergy

Mockingbird

14% of 113993 decks +11% synergy

Talion, the Kindly Lord

14% of 186185 decks +9% synergy

Morophon, the Boundless

14% of 45126 decks -1% synergy

Elves of Deep Shadow

13% of 88400 decks +3% synergy

Emiel the Blessed

13% of 59058 decks +9% synergy

Pollywog Prodigy

13% of 113193 decks +9% synergy

Phantasmal Image

12% of 204523 decks +9% synergy

Roaming Throne

12% of 171057 decks +5% synergy

Displacer Kitten

12% of 204523 decks +7% synergy

Sheoldred, the Apocalypse

11% of 204523 decks +6% synergy

Gilded Drake

11% of 204523 decks +9% synergy

Notion Thief

10% of 204523 decks +4% synergy

Enduring Vitality

10% of 42594 decks +4% synergy

Dryad of the Ilysian Grove

10% of 88400 decks +2% synergy

Esika, God of the Tree

10% of 45126 decks +3% synergy

Tinder Wall

9% of 48681 decks +6% synergy

Baleful Strix

9% of 204523 decks -4% synergy

Hullbreaker Horror

9% of 204523 decks +2% synergy

Miirym, Sentinel Wyrm

9% of 48681 decks +2% synergy

Llanowar Elves

9% of 88400 decks -12% synergy

Ledger Shredder

9% of 204523 decks +5% synergy

Birgi, God of Storytelling

8% of 93585 decks +3% synergy

Six

8% of 55527 decks +3% synergy

Avacyn's Pilgrim

8% of 59058 decks -6% synergy

Delney, Streetwise Lookout

8% of 80844 decks +5% synergy

Tiamat

8% of 45126 decks +0% synergy

Instants

Worldly Tutor

38% of 88400 decks +24% synergy

Flusterstorm

37% of 204523 decks +30% synergy

Tainted Pact

35% of 204523 decks +31% synergy

Mental Misstep

35% of 204523 decks +29% synergy

Demonic Consultation

35% of 204523 decks +31% synergy

Pact of Negation

34% of 204523 decks +27% synergy

Deadly Rollick

31% of 204523 decks +20% synergy

Mindbreak Trap

29% of 204523 decks +25% synergy

Assassin's Trophy

29% of 88400 decks -1% synergy

Path to Exile

29% of 105448 decks -18% synergy

Abrupt Decay

28% of 88400 decks +18% synergy

Teferi's Protection

26% of 105448 decks +7% synergy

Counterspell

25% of 204523 decks -17% synergy

Veil of Summer

23% of 88400 decks +17% synergy

Chain of Vapor

22% of 204523 decks +18% synergy

Heroic Intervention

21% of 88400 decks -9% synergy

Red Elemental Blast

20% of 93585 decks +14% synergy

Eladamri's Call

20% of 59058 decks +10% synergy

Final Fortune

18% of 93585 decks +17% synergy

Brainstorm

18% of 204523 decks -2% synergy

Cabal Ritual

17% of 204523 decks +12% synergy

Pyroblast

17% of 93585 decks +11% synergy

Borne Upon a Wind

16% of 197559 decks +13% synergy

Ad Nauseam

16% of 204523 decks +13% synergy

Crop Rotation

16% of 88400 decks +6% synergy

Noxious Revival

15% of 88400 decks +10% synergy

Brain Freeze

15% of 204523 decks +12% synergy

Dovin's Veto

14% of 105448 decks -4% synergy

Sink into Stupor

14% of 127007 decks +4% synergy

Entomb

13% of 204523 decks +5% synergy

Arcane Denial

12% of 204523 decks -8% synergy

Anguished Unmaking

12% of 105448 decks -12% synergy

Intuition

12% of 204523 decks +10% synergy

Culling the Weak

11% of 204523 decks +8% synergy

Beast Within

11% of 88400 decks -26% synergy

Chord of Calling

11% of 88400 decks +5% synergy

Into the Flood Maw

11% of 114668 decks +8% synergy

Chaos Warp

11% of 93585 decks -20% synergy

Dispel

11% of 204523 decks +6% synergy

Snap

9% of 204523 decks +2% synergy

Void Rend

9% of 105448 decks -4% synergy

Lim-Dûl's Vault

9% of 204523 decks +6% synergy

Strix Serenade

8% of 127007 decks +4% synergy

Fell the Profane

8% of 127007 decks -1% synergy

Negate

8% of 204523 decks -15% synergy

Flare of Duplication

7% of 56403 decks +5% synergy

Frantic Search

7% of 204523 decks -6% synergy

Terminate

7% of 93585 decks -13% synergy

Muddle the Mixture

7% of 204523 decks +2% synergy

Fire Covenant

7% of 93585 decks +3% synergy

Sorceries

Imperial Seal

37% of 204523 decks +31% synergy

Toxic Deluge

30% of 204523 decks +12% synergy

Wheel of Fortune

30% of 93585 decks +25% synergy

Farseek

30% of 88400 decks -5% synergy

Gamble

29% of 93585 decks +19% synergy

Nature's Lore

28% of 88400 decks -3% synergy

Three Visits

27% of 88400 decks +3% synergy

Reanimate

24% of 204523 decks +7% synergy

Finale of Devastation

23% of 88400 decks +15% synergy

Culling Ritual

23% of 88400 decks +12% synergy

Eldritch Evolution

21% of 88400 decks +17% synergy

Sevinne's Reclamation

21% of 105448 decks +14% synergy

Jeska's Will

21% of 93585 decks +4% synergy

Windfall

20% of 204523 decks +8% synergy

Diabolic Intent

19% of 204523 decks +11% synergy

Rite of Flame

19% of 93585 decks +16% synergy

Mnemonic Betrayal

16% of 204523 decks +12% synergy

Neoform

16% of 88400 decks +11% synergy

Blasphemous Act

16% of 93585 decks -17% synergy

Cultivate

14% of 88400 decks -31% synergy

Beseech the Mirror

12% of 184743 decks +9% synergy

Gitaxian Probe

11% of 204523 decks +5% synergy

Praetor's Grasp

11% of 204523 decks +8% synergy

Damn

10% of 105448 decks -6% synergy

Farewell

10% of 105448 decks -3% synergy

Kodama's Reach

9% of 88400 decks -21% synergy

Skyshroud Claim

9% of 88400 decks +0% synergy

Damnation

9% of 204523 decks +1% synergy

Supreme Verdict

8% of 105448 decks -5% synergy

Feed the Swarm

8% of 204523 decks -9% synergy

Ponder

8% of 204523 decks -4% synergy

Rampant Growth

8% of 88400 decks -26% synergy

Timetwister

8% of 204523 decks +7% synergy

Yawgmoth's Will

8% of 204523 decks +7% synergy

Nature's Rhythm

8% of 10822 decks +4% synergy

Vandalblast

8% of 93585 decks -8% synergy

Grim Tutor

7% of 204523 decks +3% synergy

Eerie Ultimatum

7% of 59058 decks -5% synergy

Sea Gate Restoration

6% of 204523 decks +2% synergy

Green Sun's Zenith

6% of 88400 decks +1% synergy

Ruinous Ultimatum

6% of 54906 decks -12% synergy

Faithless Looting

6% of 93585 decks -11% synergy

Utility Artifacts

The One Ring

37% of 204523 decks +29% synergy

Wishclaw Talisman

27% of 204523 decks +21% synergy

Lightning Greaves

21% of 204523 decks -4% synergy

Jeweled Lotus

19% of 204523 decks +15% synergy

Lion's Eye Diamond

18% of 204523 decks +16% synergy

Sensei's Divining Top

12% of 204523 decks +7% synergy

Swiftfoot Boots

12% of 204523 decks -16% synergy

The Great Henge

10% of 88400 decks -0% synergy

Bolas's Citadel

6% of 204523 decks -2% synergy

Commander's Sphere

6% of 204523 decks -8% synergy

Fist of Suns

6% of 45126 decks -1% synergy

Skullclamp

6% of 204523 decks -6% synergy

Mind Stone

6% of 204523 decks -11% synergy

Grafdigger's Cage

5% of 204523 decks +4% synergy

Agatha's Soul Cauldron

5% of 184743 decks +4% synergy

Herald's Horn

5% of 204523 decks -1% synergy

Cursed Totem

5% of 204523 decks +4% synergy

Isochron Scepter

5% of 204523 decks +3% synergy

Enchantments

Underworld Breach

33% of 93585 decks +28% synergy

Sylvan Library

21% of 88400 decks +10% synergy

Carpet of Flowers

17% of 88400 decks +14% synergy

Necropotence

16% of 204523 decks +11% synergy

Leyline of the Guildpact

13% of 33412 decks -2% synergy

Animate Dead

12% of 204523 decks +3% synergy

Blind Obedience

11% of 105448 decks +4% synergy

Black Market Connections

10% of 204523 decks -1% synergy

Rhythm of the Wild

10% of 48681 decks -14% synergy

Temur Ascendancy

10% of 48681 decks -6% synergy

Survival of the Fittest

9% of 88400 decks +8% synergy

Exploration

9% of 88400 decks +1% synergy

Propaganda

8% of 204523 decks -4% synergy

Doubling Season

8% of 88400 decks -2% synergy

Ghostly Prison

8% of 105448 decks -3% synergy

Touch the Spirit Realm

8% of 105448 decks +6% synergy

Mirari's Wake

8% of 59058 decks -5% synergy

Trouble in Pairs

8% of 80055 decks +3% synergy

Dress Down

7% of 204523 decks +5% synergy

Wild Growth

7% of 88400 decks -4% synergy

Food Chain

7% of 88400 decks +5% synergy

Phyrexian Arena

6% of 204523 decks -9% synergy

Bloodchief Ascension

6% of 204523 decks +3% synergy

Annie Joins Up

6% of 30068 decks -6% synergy

Kindred Discovery

6% of 204523 decks -1% synergy

Oath of Teferi

6% of 105448 decks +2% synergy

Necromancy

6% of 204523 decks +2% synergy

Anointed Procession

5% of 105448 decks -3% synergy

Sterling Grove

5% of 59058 decks -2% synergy

Battles

Invasion of Ikoria

7% of 88400 decks +3% synergy

Planeswalkers

Teferi, Time Raveler

21% of 105448 decks +14% synergy

Oko, Thief of Crowns

9% of 88400 decks +4% synergy

Tyvar, Jubilant Brawler

7% of 88400 decks +3% synergy

Dihada, Binder of Wills

7% of 54906 decks +2% synergy

Narset, Parter of Veils

6% of 204523 decks +2% synergy

Nicol Bolas, Dragon-God

6% of 93585 decks +2% synergy

Utility Lands

Gaea's Cradle

29% of 88400 decks +23% synergy

Urborg, Tomb of Yawgmoth

28% of 204523 decks +19% synergy

Reliquary Tower

22% of 204523 decks -8% synergy

Urza's Saga

19% of 204523 decks +12% synergy

Bojuka Bog

14% of 204523 decks -16% synergy

Shifting Woodland

13% of 55356 decks +6% synergy

Takenuma, Abandoned Mire

12% of 204523 decks +2% synergy

Minamo, School at Water's Edge

11% of 204523 decks +6% synergy

Yavimaya, Cradle of Growth

9% of 204523 decks -0% synergy

Cabal Coffers

9% of 204523 decks -1% synergy

Phyrexian Tower

9% of 204523 decks -0% synergy

Rogue's Passage

7% of 204523 decks -13% synergy

Cephalid Coliseum

7% of 204523 decks +4% synergy

Hall of Heliod's Generosity

7% of 105448 decks +0% synergy

City of Traitors

6% of 204523 decks +6% synergy

Emergence Zone

6% of 204523 decks +4% synergy

Shizo, Death's Storehouse

6% of 204523 decks +1% synergy

Mystic Sanctuary

6% of 204523 decks -6% synergy

Field of the Dead

6% of 204523 decks +2% synergy

Three Tree City

6% of 115422 decks +0% synergy

Mana Artifacts

Sol Ring

91% of 204523 decks +7% synergy

Arcane Signet

83% of 204523 decks +11% synergy

Fellwar Stone

43% of 204523 decks +22% synergy

Talisman of Dominance

40% of 204523 decks +8% synergy

Mana Crypt

32% of 204523 decks +26% synergy

Mox Opal

30% of 204523 decks +26% synergy

Talisman of Progress

25% of 105448 decks +0% synergy

Talisman of Creativity

24% of 93585 decks -4% synergy

Mox Amber

23% of 204523 decks +19% synergy

Talisman of Indulgence

22% of 93585 decks -5% synergy

Dimir Signet

19% of 204523 decks -9% synergy

Talisman of Hierarchy

16% of 105448 decks -10% synergy

Chromatic Lantern

15% of 204523 decks +6% synergy

Grim Monolith

15% of 204523 decks +13% synergy

Thought Vessel

12% of 204523 decks -5% synergy

Timeless Lotus

11% of 45126 decks -1% synergy

Izzet Signet

10% of 93585 decks -17% synergy

Talisman of Curiosity

10% of 88400 decks -3% synergy

Rakdos Signet

10% of 93585 decks -19% synergy

Azorius Signet

9% of 105448 decks -16% synergy

Orzhov Signet

8% of 105448 decks -19% synergy

Talisman of Resilience

6% of 88400 decks -6% synergy

Basalt Monolith

6% of 204523 decks +3% synergy

Relic of Sauron

6% of 89628 decks -3% synergy

Chromatic Orrery

5% of 204523 decks +4% synergy

Lands

Tropical Island

96% of 88400 decks +82% synergy

Bayou

96% of 88400 decks +82% synergy

Tundra

96% of 105448 decks +82% synergy

Volcanic Island

95% of 93585 decks +81% synergy

Command Tower

94% of 204523 decks +19% synergy

Scrubland

94% of 105448 decks +80% synergy

Savannah

93% of 59058 decks +80% synergy

Taiga

92% of 48681 decks +80% synergy

Badlands

91% of 93585 decks +78% synergy

Plateau

87% of 54906 decks +75% synergy

Polluted Delta

84% of 204523 decks +72% synergy

Watery Grave

76% of 204523 decks +35% synergy

Flooded Strand

65% of 204523 decks +54% synergy

Misty Rainforest

64% of 204523 decks +52% synergy

Marsh Flats

63% of 204523 decks +52% synergy

Scalding Tarn

63% of 204523 decks +52% synergy

Verdant Catacombs

61% of 204523 decks +50% synergy

Breeding Pool

60% of 88400 decks +19% synergy

Bloodstained Mire

60% of 204523 decks +49% synergy

Hallowed Fountain

59% of 105448 decks +19% synergy

Overgrown Tomb

55% of 88400 decks +13% synergy

Steam Vents

53% of 93585 decks +15% synergy

Exotic Orchard

52% of 204523 decks +16% synergy

Blood Crypt

52% of 93585 decks +14% synergy

Mana Confluence

51% of 204523 decks +44% synergy

Godless Shrine

51% of 105448 decks +11% synergy

City of Brass

50% of 204523 decks +42% synergy

Morphic Pool

49% of 204523 decks +23% synergy

Windswept Heath

39% of 204523 decks +28% synergy

Gemstone Caverns

38% of 204523 decks +33% synergy

Arid Mesa

38% of 204523 decks +27% synergy

Temple Garden

36% of 59058 decks -4% synergy

Wooded Foothills

36% of 204523 decks +25% synergy

Stomping Ground

32% of 48681 decks -8% synergy

Zagoth Triome

31% of 88400 decks +1% synergy

Sea of Clouds

29% of 105448 decks +3% synergy

Training Center

26% of 93585 decks -0% synergy

Xander's Lounge

26% of 93585 decks +1% synergy

Luxury Suite

26% of 93585 decks -0% synergy

Raffine's Tower

26% of 105448 decks -0% synergy

Sacred Foundry

24% of 54906 decks -11% synergy

Vault of Champions

23% of 105448 decks -2% synergy

Ketria Triome

23% of 48681 decks -9% synergy

Rejuvenating Springs

23% of 88400 decks -6% synergy

Indatha Triome

22% of 59058 decks -8% synergy

Cavern of Souls

21% of 204523 decks +14% synergy

Undercity Sewers

21% of 156294 decks +11% synergy

The World Tree

21% of 45126 decks -11% synergy

Undergrowth Stadium

21% of 88400 decks -5% synergy

Underground River

20% of 204523 decks -1% synergy