| Rarity: | R |
| #: | 357 |
| Creature Type or Sub Type: | Land |
| Rules Text Contains: | T: Add 1 to your mana pool.T: Add U to your mana pool. Underground River deals 1 damage to you.T: Add B to your mana pool. Underground River deals 1 damage to you. |
| Set: | Ice Age |
| Number: | 357 |
