Underground Sea
Illustrated by Rob Alexander
Card details
- Mana cost
- 0
- Type
- Land
- Rarity
- Land
Oracle text
T: Add either B or U to your mana pool.Counts as both swamp and islands and is affected by spells that affect either. If a spell destroys one of these land types, this card is destroyed; if a spell alters one of these land types, the other land type is unaffected.
Underground Sea price & value
| Condition | Market | Low |
|---|---|---|
| Near Mint | $1,072.43 | $1,015.99 |
| Lightly Played | $875.70 | $878.69 |
| Moderately Played | $763.37 | $749.99 |
| Heavily Played | $718.66 | $716.69 |
| Damaged | $680.48 | $701.65 |
Snapshot as of 2026-09-11. Live prices & recent sales load below.