One of the most infamous mechanics in Magic: The Gathering, Storm is a bit of a boogeyman in the game
Similarly, if the main disadvantage of an effect is your opponent playing around it, in an open-decklist tournament, playing only one can be correct to force opponents to respect it with the minimum amount of investment
If the spell leaves the stack in any other way, or the permanent it becomes leaves the battlefield, it immediately resumes using its normal characteristics
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He's able to capitalize on having other units in play, but true to his reputation as a singular force of destruction, can also enable the casting of all but the strongest or most expensive spells with little additional support in one fell combat step
Many formats in the past few years have felt aggressive and snowbally, such that a fast draw on the play could be nearly impossible to keep up with