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

PieGonti ·Duel Commander Trial 16 · September 17, 2025 Duel Commander
3

Final: 3 | Swiss: 4

Main Deck

Instants (34)
Lands (40)

Sideboard

Erik157751 ·Legacy Challenge 32 · September 14, 2025 Legacy
8

Final: 8 | Swiss: 5

Sideboard

duckduckmongoose ·Legacy Challenge 32 · September 14, 2025 Legacy
6

Final: 6 | Swiss: 2

Main Deck

Sideboard

lordoflifegain ·Vintage Challenge 32 · September 14, 2025 Vintage
3

Final: 3 | Swiss: 4

Main Deck

Sideboard

DrPP ·Vintage Challenge 32 · September 14, 2025 Vintage
4

Final: 4 | Swiss: 7

Main Deck

Sideboard

jibeta ·Vintage Challenge 32 · September 14, 2025 Vintage
1

Final: 1 | Swiss: 1

Main Deck

Sideboard

Maxtortion ·Legacy Challenge 32 · September 14, 2025 Legacy
6

Final: 6 | Swiss: 3

Main Deck

Sideboard

Roodslay ·Legacy Challenge 32 · September 14, 2025 Legacy
1

Final: 1 | Swiss: 4

Magic_Dads71522 ·Legacy Challenge 32 · September 14, 2025 Legacy
2

Final: 2 | Swiss: 6

blub_blub ·Vintage Challenge 32 · September 13, 2025 Vintage
8

Final: 8 | Swiss: 6

Main Deck

Sideboard

bless_von ·Vintage Challenge 32 · September 13, 2025 Vintage
3

Final: 3 | Swiss: 3

Main Deck

Sideboard

Navas ·Vintage Challenge 32 · September 13, 2025 Vintage
4

Final: 4 | Swiss: 8

Main Deck

Sideboard

DrPP ·Vintage Challenge 32 · September 13, 2025 Vintage
1

Final: 1 | Swiss: 7

Main Deck

Sideboard

O_danielakos ·Vintage Challenge 32 · September 13, 2025 Vintage
2

Final: 2 | Swiss: 5

Main Deck

Sideboard

Ark4n ·Legacy Challenge 32 · September 13, 2025 Legacy
3

Final: 3 | Swiss: 5

Main Deck

Sideboard

Munchlax446 ·Legacy Challenge 32 · September 13, 2025 Legacy
4

Final: 4 | Swiss: 6

Bezerra_da_Silva ·Legacy Challenge 32 · September 13, 2025 Legacy
5

Final: 5 | Swiss: 3

Main Deck

Sideboard

_Shatun_ ·Legacy Challenge 32 · September 13, 2025 Legacy
5

Final: 5 | Swiss: 5

Main Deck

Sideboard

otakkun ·Legacy Challenge 32 · September 13, 2025 Legacy
7

Final: 7 | Swiss: 7

Main Deck

Sideboard

igknighted08 ·Legacy Challenge 32 · September 13, 2025 Legacy
8

Final: 8 | Swiss: 8

Main Deck

Sideboard