Benthic Explorers (On the Rocks) Tweet Out of stock. Wishlist Details Artist: Greg Simanson Card Text: T Untap a tapped land an opponent controls. If you do, add one mana of any type that land could produce to your mana pool. Card Type: Creature - Merfolk Color: Blue Cost: 3U Finish: Regular Name: Benthic Explorers Pow/Tgh: 2/4 Rarity: C Set Name: Alliances