Pillar Analysis: High Power (Dual Land), Scarcity (Beta, Reserved List), Format Essential (Control Decks)
It features solid enough mechanics to appeal to general gamers, but is still centered on a specific fandom
I also think having owyn as the leader of the deck doesnt suit all that well thematically considering she wasnt the leader of her army, but rather had to hide herself so she could actually march to battle
Theme Card Thryx, the Sudden Storm Delightful Discovery Brineborn Cutthroat Capture Sphere Chrome Prowler Crystacean Opt Slimebind Spectral Sailor Stinging Lionfish Undersea Invader Wind Strider Thriving Isle 7 Island 0017_MTGJ25_Theme: Surprise
While its plenty powerful, its the effect on perceived barrier-to-entry that really posed a problem because casual players watching Commander games in passing could reasonably assume that they needed hundreds (now thousands) of dollars in Power-9 mana as table stakes, just to join the format