Nothing wrong with some classic card-advantage-centric gameplay, especially in a format where other decks will actually run out of gas if you hold out long enough
What really makes the Radiant Blastoise card great, though, is the artwork by Masakazu Fukuda which perfectly captures the classic retro design of the Gen 1 Starter from the earlier games
To activate its sneak cost, you must have a creature on the battlefield and confirmed as attacking and unblocked
The effect of Prismatic Undercurrents's last ability is cumulative with similar effects
If you follow everything in this article, this deck should be a little easier to digest, but these kinds of decks usually have a steep learning curb, and that's completely fine too
As a drawback compared to moxen it is colorless, but provides twice as much mana each turn