Potentially completely cleansing the stack, Flusterstorm does see a fair amount of play in Commander
The only downside to this particular deck is that its hard to upgrade it into a really competitive one as Amber/Sapphire is not a particularly strong ink combination right now
The Foundations set will be Standard-legal, and for an extended period of time: while most MTG sets are in Standard for between two and three years, Foundations will remain in Standard through at least 2029
As always, thatll depend on the supply of these decks, however, and how accessible the cards are in Collector Boosters
(6/7/2024) If another effect modifies how much damage a source would deal to an opponent or a permanent they control, including preventing some of it, the player being dealt damage or the controller of the permanent being dealt damage chooses an order in which to apply those effects