Honorable Mention #2 - Baldur's Gate with a Shoutout to Basilisk Gate Hello awesome Gate fans
I think this needs a buildaround grade, even in Blue-Red, because this sets Blue-Red archetype isnt spells
That being said, if Snapdax is serving as your commander you can cast him for his Mutate cost again and again, benefitting from the removal and life gain he offers until your opponent runs out of removal
While Fall of Cair Andros does have a built-in way to deal noncombat damage, Blasphemous Act will clear most of the board, power up your Orc Army enough for it to survive, and leave your opponents with no blockers to stop the rampaging hordes of Mordor
You announce an interrupt that changes blue cards to green cards, in order to change your original spell to a green spell
In the games where it was good, it was really good, as it blew artifact decks out of the water