Not only are they on theme for this deck, but they also give this deck more ways to exert opposing characters
Cutting Downfall promoted being more aggressive, which put me on Stormbreath Dragon, this demanded a rework of the manabase, which put me as a base R/W deck with black being the lighter splash, instead of being this Thoughtseize based grindy deck
I certainly have been having tons of success with blue, but the format is quite well balanced, so every color has multiple good decks you can get into
The drawback is that Thundering Raiju itself is only a 3/3, so players will be inclined to drop a counter on it with that first attack
Still, if you enjoy Final Fantasy, make sure to mark your calendars for the Holiday release to obtain your new toys as soon as possible