Underground Sea

Reserved List
Land — Island Swamp

Oracle Text

(T mana: Add U mana or B mana.)

Format Legality

LegacyVintageDuel Commander

Competitive Play by Format

Top 8 decklists that played Underground Sea, by format.

Format Decks 30d Avg 30d Decks 12mo Avg 12mo
Legacy 63 2.3 750 2.9
Vintage 42 2.9 748 2.9
Duel Commander 6 1 237 1

Details

Set
30th Anniversary Edition
Rarity
Rare
Mana value
0
Collector #
281
Non-foil

Recent Top-8 Decks Playing Underground Sea

RyanWu ·Legacy Challenge 32 · November 29, 2025 Legacy
7

Final: 7 | Swiss: 6

Main Deck

Sideboard

Magic_Dads71522 ·Legacy Challenge 32 · November 29, 2025 Legacy
5

Final: 5 | Swiss: 1

harmonywoods ·Legacy Challenge 32 · November 29, 2025 Legacy
4

Final: 4 | Swiss: 7

Main Deck

Sideboard

Ozymandias17 ·Legacy Challenge 32 · November 29, 2025 Legacy
7

Final: 7 | Swiss: 3

Main Deck

Sideboard

SuperCow12653 ·Legacy Challenge 32 · November 29, 2025 Legacy
2

Final: 2 | Swiss: 8

Main Deck

Sideboard

desolutionist ·Vintage Challenge 32 · November 28, 2025 Vintage
3

Final: 3 | Swiss: 2

Main Deck

Sideboard

Bawer ·Vintage Challenge 32 · November 28, 2025 Vintage
7

Final: 7 | Swiss: 6

Main Deck

ruzapyea ·Vintage Challenge 32 · November 28, 2025 Vintage
1

Final: 1 | Swiss: 3

Main Deck

Sideboard

albertoSD ·Vintage Challenge 32 · November 28, 2025 Vintage
5

Final: 5 | Swiss: 1

Main Deck

Sideboard

blub_blub ·Vintage Challenge 32 · November 28, 2025 Vintage
6

Final: 6 | Swiss: 5

Main Deck

Sideboard

Aced5 ·Vintage Challenge 32 · November 27, 2025 Vintage
6

Final: 6 | Swiss: 6

Main Deck

Sideboard

Billbuscus ·Vintage Challenge 32 · November 27, 2025 Vintage
7

Final: 7 | Swiss: 7

Main Deck

Artifacts (17)

Sideboard

Tsubasa_Cat ·Vintage Challenge 32 · November 27, 2025 Vintage
3

Final: 3 | Swiss: 2

Main Deck

Sideboard

Kenzaburo ·Vintage Challenge 32 · November 27, 2025 Vintage
4

Final: 4 | Swiss: 5

Main Deck

Sideboard

gr33nashe ·Legacy Challenge 32 · November 23, 2025 Legacy
5

Final: 5 | Swiss: 2

Main Deck

Sideboard

ReformedPaolo ·Legacy Challenge 32 · November 23, 2025 Legacy
7

Final: 7 | Swiss: 4

Sideboard

Jujkata ·Vintage Challenge 32 · November 23, 2025 Vintage
5

Final: 5 | Swiss: 1

Main Deck

albertoSD ·Vintage Challenge 32 · November 23, 2025 Vintage
8

Final: 8 | Swiss: 6

Main Deck

Sideboard

lordoflifegain ·Vintage Challenge 32 · November 23, 2025 Vintage
7

Final: 7 | Swiss: 5

Main Deck

Sideboard