This stunning card features the Pokmon's stylish black Shiny form, reflecting the elusive nature of these variants in the Nintendo video games
Rising Waters was the core of the last top level Prison deck, using overpriced versions of several components to gain favorable or even match-ups against everything else in the format
Its basically part of the Phage the Untouchable club since it can one-shot people, though I think the infect hate is undeserved
Now, a 2/2 artifact creature for 3 mana does not fit every deck, so the idea that you should be playing them in every single multiplayer and/or Commander deck is silly
Alternatively, you could use Freed or Aura or another similar card to untap a creature like Stone-Seeder Hierophant or Bloom Dryad to untap a bounceland like Azorius Chancery
Overkill is a nice, clean answer to just about everything in Final Fantasy Limited, and its even splashable