The Secret Lair versions of this card do fare better, mind you, sitting in the $10-77 range
Yusri, Fortune's Flame, Zndrsplt, Eye of Wisdom and Okaun, Eye of Chaos partners, Krark, the Thumbless and Sakashima of a Thousand Faces partners, and Rakdos, the Showstopper are some of the most effective ones
There are plenty of entry-level pre-constructed Commander decks out there that focus on doing one thing really well, and while both of these decks are routed in their respective core strategies (artifacts and convoke), there are many ways to win a game with them, and they reward clever thinking and strategic play
Now, I know that this card is called Stormsplitter, but because storm copies arent cast, you do not get token copies of Stormsplitter off storm
Goes well with Hedron Archive 4 Artifact (Tap: Add CC to your mana pool
Ultimately, priority is much more about keeping the game flowing and easy to understand than a mechanic you can use to trick or outplay opponents