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

Row2015 ·Legacy Challenge 32 · October 26, 2025 Legacy
5

Final: 5 | Swiss: 2

Main Deck

Sideboard

IamActuallyLvL1 ·Vintage Challenge 32 · October 25, 2025 Vintage
1

Final: 1 | Swiss: 2

Main Deck

Artifacts (18)

Sideboard

Wizard_2002 ·Vintage Challenge 32 · October 25, 2025 Vintage
6

Final: 6 | Swiss: 4

Main Deck

Sideboard

Dreddybajs ·Vintage Challenge 32 · October 25, 2025 Vintage
4

Final: 4 | Swiss: 6

Main Deck

Sideboard

discoverN ·Vintage Challenge 32 · October 25, 2025 Vintage
2

Final: 2 | Swiss: 1

Main Deck

Sideboard

3REBOS ·Duel Commander Trial 16 · October 25, 2025 Duel Commander
7

Final: 7 | Swiss: 5

Main Deck

Creatures (31)
Lands (38)

Sideboard

Tixis ·Legacy RC Super Qualifier · October 25, 2025 Legacy
3

Final: 3 | Swiss: 2

Main Deck

Sideboard

Entropy263 ·Legacy RC Super Qualifier · October 25, 2025 Legacy
8

Final: 8 | Swiss: 7

Main Deck

Sideboard

Beekeeper ·Legacy RC Super Qualifier · October 25, 2025 Legacy
2

Final: 2 | Swiss: 6

Main Deck

Sideboard

Sven745 ·Legacy RC Super Qualifier · October 25, 2025 Legacy
7

Final: 7 | Swiss: 5

Main Deck

Sideboard

wonderPreaux ·Legacy RC Super Qualifier · October 25, 2025 Legacy
5

Final: 5 | Swiss: 1

Main Deck

Sideboard

Munchlax446 ·Legacy Challenge 32 · October 25, 2025 Legacy
2

Final: 2 | Swiss: 6

nekoyama2 ·Legacy Challenge 32 · October 25, 2025 Legacy
7

Final: 7 | Swiss: 7

Sideboard

AFX ·Legacy Challenge 32 · October 25, 2025 Legacy
5

Final: 5 | Swiss: 3

Sideboard

Jesusmtg ·Legacy Challenge 32 · October 25, 2025 Legacy
1

Final: 1 | Swiss: 1

Sideboard

Ozymandias17 ·Legacy Challenge 32 · October 25, 2025 Legacy
3

Final: 3 | Swiss: 2

Main Deck

Sideboard

2plus2isfive ·Legacy Challenge 32 · October 25, 2025 Legacy
2

Final: 2 | Swiss: 6

Main Deck

Sideboard

Entropy263 ·Vintage Challenge 32 · October 24, 2025 Vintage
1

Final: 1 | Swiss: 8

Main Deck

Sideboard

desolutionist ·Vintage Challenge 32 · October 24, 2025 Vintage
7

Final: 7 | Swiss: 5

Main Deck

Sideboard