There is a lot of flexibility with the card for Standard and Commander
Dealing damage to a player for each card in their hand is occasionally quite good and decks that want this effect, like Neheb, the Eternal or any deck wanting to double damage will benefit from this way more than a Mill deck benefits from Sword of Body and Mind
I wanted the problem statement to be something with relatively defined edges, and one that had some personal significance to the folks who are working on it
Sephiroth, Fabled SOLDIER / One-Winged Angel Sephiroth begins as a modest 3/3 with two extremely useful effects
Ishkanah, Broodmother Spellbook Arachnoform Spidery Grasp Sentinel Spider Hatchery Spider Brood Weaver Drider Gnottvold Recluse Netcaster Spider Sporecap Spider Prey Upon Twin-Silk Spider Glowstone Recluse Mammoth Spider Snarespinner Spider Spawning Honestly Ishkana, Broodmother is probably great as a Historic Brawl commander
What competitive formats is Coat of Arms played in