Underground Sea
Land — Island Swamp
Limited Edition Alpha #285 · 1993
€6,629.62
Limited Edition Beta #286 · 1993
€6,900.64
Unlimited Edition #286 · 1993
€957.67
Intl. Collectors' Edition #286 · 1993
€425.11
Collectors' Edition #286 · 1993
€390.64
Revised Edition #290 · 1994
€600.63
Foreign Black Border #290 · 1994
€1,146.41
Summer Magic / Edgar #290 · 1994
€280.00
Masters Edition II #240 · 2008
Masters Edition IV #256 · 2011
Magic Online Promos #43624 · 2013
Vintage Masters #323 · 2014
Legacy Championship #2016EU · 2016
30th Anniversary Edition #281 · 2022
30th Anniversary Edition #578 · 2022
€1,989.64
Text
({T}: Add or .)
★ Reserved List
#299 EDHREC
🖌 Rob Alexander
Market prices
updated on 06/17/2026
from €6,629.62
| Source | Normal | Foil |
|---|---|---|
| Cardmarket | €12,802.84 | — |
| CardTrader Buy | €6,629.62 | — |
Trend · last 90 days · EUR
€6,629.62
min €6,629.62
max €12,802.84
CardTrader market
2 offers · from €6,629.62 · avg €26,815.13 · max €47,000.64
Poor: 1 · Moderately Played: 1
Rulings (2)
This has the mana abilities associated with both of its basic land types.
10/01/2008This has basic land types, but it isn't a basic land. Things that affect basic lands don't affect it. Things that affect basic land types do.
10/01/2008Legality by format
| Brawl | Not legal |
| Commander | Legal |
| Duel Commander | Legal |
| Legacy | Legal |
| Modern | Not legal |
| Oathbreaker | Legal |
| Old School | Not legal |
| Pauper | Not legal |
| Pioneer | Not legal |
| Premodern | Not legal |
| Standard | Not legal |
| Vintage | Legal |
| Block Constructed | Not legal |
| Extended | Not legal |
| Frontier | Not legal |
| Tiny Leaders | Not legal |