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

Univerce ·Vintage Challenge 32 · December 19, 2025 Vintage
3

Final: 3 | Swiss: 4

Main Deck

Sideboard

ecobaronen ·Vintage Challenge 32 · December 19, 2025 Vintage
6

Final: 6 | Swiss: 3

Main Deck

Ecoscuro ·Vintage Challenge 32 · December 19, 2025 Vintage
4

Final: 4 | Swiss: 7

Main Deck

Sideboard

IamActuallyLvL1 ·Vintage Challenge 32 · December 19, 2025 Vintage
1

Final: 1 | Swiss: 1

Main Deck

Sideboard

DethFrmAbove ·Vintage Challenge 32 · December 18, 2025 Vintage
3

Final: 3 | Swiss: 2

Main Deck

Sideboard

lordoflifegain ·Vintage Challenge 32 · December 18, 2025 Vintage
4

Final: 4 | Swiss: 4

Main Deck

Sideboard

DrPP ·Vintage Challenge 32 · December 18, 2025 Vintage
8

Final: 8 | Swiss: 7

Main Deck

Sideboard

Ecoscuro ·Vintage Challenge 32 · December 18, 2025 Vintage
2

Final: 2 | Swiss: 3

Main Deck

Sideboard

O_danielakos ·Vintage Challenge 32 · December 18, 2025 Vintage
7

Final: 7 | Swiss: 6

Main Deck

Sideboard

rgbandre ·Legacy Challenge 32 · December 17, 2025 Legacy
6

Final: 6 | Swiss: 4

Main Deck

Sideboard

BlackMonster ·Duel Commander Trial 16 · December 15, 2025 Duel Commander
1

Final: 1 | Swiss: 1

Main Deck

Instants (31)
Lands (40)

Sideboard

burrarun ·Legacy Showcase Qualifier · December 14, 2025 Legacy
8

Final: 8 | Swiss: 6

Main Deck

Sideboard

_INF_ ·Legacy Showcase Qualifier · December 14, 2025 Legacy
2

Final: 2 | Swiss: 5

Main Deck

Sideboard

JUJUBEAN__2004 ·Legacy Showcase Qualifier · December 14, 2025 Legacy
6

Final: 6 | Swiss: 2

Sideboard

MahfuzVanGogh ·Legacy Challenge 32 · December 14, 2025 Legacy
5

Final: 5 | Swiss: 1

Main Deck

Ark4n ·Legacy Challenge 32 · December 14, 2025 Legacy
7

Final: 7 | Swiss: 4

Main Deck

Sideboard

hundinggjornersen ·Legacy Challenge 32 · December 14, 2025 Legacy
6

Final: 6 | Swiss: 3

Main Deck

Sideboard

LeoFa ·Duel Commander Trial 16 · December 14, 2025 Duel Commander
4

Final: 4 | Swiss: 4

Main Deck

Instants (33)
Lands (41)

Sideboard

SytraMalaki ·Duel Commander Trial 16 · December 14, 2025 Duel Commander
5

Final: 5 | Swiss: 3

Main Deck

Creatures (17)
Sorceries (24)
Instants (16)
Lands (38)

Sideboard

Malowless ·Vintage Challenge 32 · December 14, 2025 Vintage
3

Final: 3 | Swiss: 3

Main Deck

Sideboard