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
Vintage 43 2.9 749 2.9
Legacy 63 2.3 747 2.9
Duel Commander 6 1 236 1

Details

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

Recent Top-8 Decks Playing Underground Sea

EmperorOppai ·Legacy Challenge 32 · October 12, 2025 Legacy
6

Final: 6 | Swiss: 3

MyPotatoes ·Legacy Challenge 32 · October 12, 2025 Legacy
4

Final: 4 | Swiss: 8

Main Deck

Sideboard

_INF_ ·Legacy Challenge 32 · October 12, 2025 Legacy
8

Final: 8 | Swiss: 7

Main Deck

Sideboard

Munchlax446 ·Legacy Challenge 32 · October 12, 2025 Legacy
7

Final: 7 | Swiss: 5

medvedev ·Vintage Challenge 32 · October 11, 2025 Vintage
1

Final: 1 | Swiss: 2

Main Deck

Sideboard

WingedHussar ·Vintage Challenge 32 · October 11, 2025 Vintage
7

Final: 7 | Swiss: 7

Main Deck

Sideboard

wiky ·Vintage Challenge 32 · October 11, 2025 Vintage
3

Final: 3 | Swiss: 1

Main Deck

Sideboard

etoustar ·Vintage Challenge 32 · October 11, 2025 Vintage
2

Final: 2 | Swiss: 5

Main Deck

Sideboard

luvadepedreiro ·Vintage Challenge 32 · October 11, 2025 Vintage
6

Final: 6 | Swiss: 4

Main Deck

Sideboard

Munchlax446 ·Legacy Challenge 32 · October 11, 2025 Legacy
6

Final: 6 | Swiss: 5

Doome ·Legacy Challenge 32 · October 11, 2025 Legacy
7

Final: 7 | Swiss: 6

Sideboard

mortr3d ·Legacy Challenge 32 · October 11, 2025 Legacy
1

Final: 1 | Swiss: 4

Main Deck

Sideboard

AlexanderRosdahl ·Legacy Challenge 32 · October 11, 2025 Legacy
3

Final: 3 | Swiss: 1

Main Deck

Sideboard

rootpon ·Legacy Challenge 32 · October 11, 2025 Legacy
1

Final: 1 | Swiss: 4

Main Deck

Sideboard

luvadepedreiro ·Legacy Challenge 32 · October 11, 2025 Legacy
2

Final: 2 | Swiss: 3

Main Deck

Sideboard

fingers1991 ·Legacy Challenge 32 · October 11, 2025 Legacy
8

Final: 8 | Swiss: 8

Main Deck

Sideboard

SuperCow12653 ·Legacy Challenge 32 · October 11, 2025 Legacy
6

Final: 6 | Swiss: 5

Main Deck

revenantkioku ·Vintage Challenge 32 · October 10, 2025 Vintage
6

Final: 6 | Swiss: 5

Main Deck

Sideboard

O_danielakos ·Vintage Challenge 32 · October 10, 2025 Vintage
8

Final: 8 | Swiss: 8

Main Deck

Sideboard

WingedHussar ·Vintage Challenge 32 · October 10, 2025 Vintage
2

Final: 2 | Swiss: 4

Main Deck

Sideboard