Basically, Miraidon ex is great, but the true reason why it will see so much play is yet to appear on this list
It is a great piece of art that collectors and competitive players alike will surely want to get their hands on for their collections or decks
Beyond being absolutely ridiculous on its own, its very funny that the most powerful creature in the history of Magic dies to 15 squirrels
Eventually, its time to find a sweeper, and I have to play the game of choosing between tier 2 options like Rolling Temblor, Blasphemous Act, Magmaquake, and Damnation (tier 2 once it destroys the mana base)
If you cast a card with Cascade this way, the Cascade of the new spell will trigger, and you will repeat the same process: Bituminous Blast, Bloodbraid Elf off its Cascade, Act of Treason off its cascade, attack for a lot
Maybe everyone should just agree that your hand is a zone that doesnt literally have to fit in your hand