Underground Sea (Legacy)
Underground Sea appears in 28.8% of Legacy decks in the last 30 days (76 decks), averaging 2.8 copies in the main deck. It is played above all in Bant Murktide.
Official MTGO and magic.gg results and paper tournaments, data provided by TopDeck.gg, updated . How we count
Share of decks
28.8%
▲ 3.5
vs previous 30 days
Weekly, last 90 days
Decks
76
76 main, 0 sideboard
Avg. copies
2.8
in the main deck
Win rate
55%
10 top 8 (challenges only)
Weekly data
| Week from | Share of decks |
|---|---|
| 2026-08-06 | – |
| 2026-08-13 | 25.0% |
| 2026-08-20 | 27.3% |
| 2026-08-27 | 37.5% |
| 2026-09-03 | – |
| 2026-09-10 | 33.3% |
| 2026-09-17 | 24.4% |
| 2026-09-24 | – |
| 2026-10-01 | 24.4% |
| 2026-10-08 | – |
| 2026-10-15 | – |
| 2026-10-22 | 30.8% |
Played together with
| Card | Together | Lift |
|---|---|---|
| Force of Will | 83% | 1.6 |
| Undercity Sewers | 80% | 3.4 |
| Brainstorm | 79% | 1.7 |
| Ponder | 76% | 1.7 |
| Polluted Delta | 72% | 1.9 |
| Thoughtseize | 68% | 2.4 |
| Daze | 63% | 2.4 |
| Wasteland | 58% | 1.2 |
| Verdant Catacombs | 57% | 2.3 |
| Orcish Bowmasters | 55% | 2.7 |
| Misty Rainforest | 50% | 1.3 |
| Fatal Push | 46% | 3.0 |
| Kaito, Bane of Nightmares | 45% | 3.5 |
| Moonshadow | 39% | 2.8 |
| Flooded Strand | 38% | 1.1 |
| Flow State | 32% | 2.0 |
| Marsh Flats | 32% | 1.8 |
| Tamiyo, Inquisitive Student // Tamiyo, Seasoned Scholar | 32% | 1.6 |
| Dark Ritual | 29% | 2.4 |
| Bloodstained Mire | 29% | 1.8 |
- Together
- decks with this card that also play the other one (main deck)
- Lift
- how much more often than chance: 1 = unrelated, above 1 = played together on purpose
Archetypes by metagame share
| Archetype | Meta | Play it |
|---|---|---|
| Bant Murktide | 6.8% | 17% |
| UBG (unclassified) | 6.4% | 100% |
| Tron | 4.9% | 38% |
| Dimir Midrange | 4.5% | 92% |
| Doomsday | 4.2% | 100% |
| Dimir Tempo | 3.4% | 100% |
| Storm | 3.0% | 63% |
| WUBRG (unclassified) | 2.7% | 14% |