They're one of the original 'tribal' creature types: fish folk has been a viable strategy since the very earliest days of Magic: The Gathering
Its an aggressive card, but its reliance on noncreature spells leads me to think that only black/red is interested in it
Getting lore requires players to exhaust an available character card, which will grant them a certain amount of lore depending on the character in question
This can be any card, though, so in the late game, you can pitch extra land to rebuy your creatures
The Swamp is the best of the cycle, showing the black mana symbol being slowly drenched in ichor, as two avatars of death look on from the sides
Not only that, but this version includes an exclusive promo card and a code for the original Final Fantasy 7 on PC