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

ambroiseb1 ·Duel Commander Trial 16 · June 28, 2025 Duel Commander
2

Final: 2 | Swiss: 5

Main Deck

Creatures (17)
Instants (25)
Lands (39)

Sideboard

Arrias ·Duel Commander Trial 16 · June 28, 2025 Duel Commander
1

Final: 1 | Swiss: 2

Main Deck

Sorceries (19)
Instants (25)
Lands (37)

Sideboard

Erik157751 ·Legacy Challenge 32 · June 28, 2025 Legacy
4

Final: 4 | Swiss: 8

Sideboard

mortr3d ·Legacy Challenge 32 · June 28, 2025 Legacy
1

Final: 1 | Swiss: 6

Main Deck

Sideboard

harmonywoods ·Legacy Challenge 32 · June 28, 2025 Legacy
6

Final: 6 | Swiss: 3

Main Deck

Sideboard

DMianete ·Legacy Challenge 32 · June 28, 2025 Legacy
7

Final: 7 | Swiss: 5

Main Deck

Sideboard

2plus2isfive ·Legacy Challenge 32 · June 28, 2025 Legacy
2

Final: 2 | Swiss: 7

Main Deck

Sideboard

xfile ·Legacy Challenge 32 · June 28, 2025 Legacy
6

Final: 6 | Swiss: 2

Main Deck

Sideboard

Magic_Dads71522 ·Legacy Challenge 32 · June 28, 2025 Legacy
8

Final: 8 | Swiss: 6

ForcePlusBlueCard ·Legacy Challenge 32 · June 28, 2025 Legacy
5

Final: 5 | Swiss: 1

Sideboard

OSCA66 ·Legacy Challenge 32 · June 28, 2025 Legacy
7

Final: 7 | Swiss: 5

Main Deck

Sideboard

Ozymandias17 ·Legacy Challenge 32 · June 28, 2025 Legacy
4

Final: 4 | Swiss: 8

Main Deck

desolutionist ·Vintage Challenge 32 · June 27, 2025 Vintage
1

Final: 1 | Swiss: 1

Main Deck

Sideboard

WingedHussar ·Vintage Challenge 32 · June 27, 2025 Vintage
2

Final: 2 | Swiss: 3

Main Deck

Sideboard

Tsubasa_Cat ·Vintage Challenge 32 · June 27, 2025 Vintage
4

Final: 4 | Swiss: 7

Main Deck

Sideboard

xDingusKhan ·Vintage Challenge 32 · June 27, 2025 Vintage
5

Final: 5 | Swiss: 2

Main Deck

Sideboard

Pernobyl ·Duel Commander Trial 16 · June 27, 2025 Duel Commander
6

Final: 6 | Swiss: 5

Main Deck

Instants (31)
Lands (41)

Sideboard

_Shatun_ ·Vintage Challenge 32 · June 26, 2025 Vintage
2

Final: 2 | Swiss: 1

Main Deck

Sideboard

DrPP ·Vintage Challenge 32 · June 26, 2025 Vintage
8

Final: 8 | Swiss: 8

Main Deck

Sideboard

_Shatun_ ·Legacy Challenge 32 · June 25, 2025 Legacy
2

Final: 2 | Swiss: 6

Main Deck

Sideboard