Thalasso Lamprey

Enchant land

As this permanent transforms into Thalasso Lamprey, attach it to target land you control
and tap it. It does not untap during its controller's untap step.

Enchanted land has "{1}: Sacrifice this land"
and "At the beginning of Thalasso Lamprey's owner's precombat main phase, they add one mana of any type enchanted land could
produce."