It is nice that you can surprise push damage or eat the second best creature if there is a big creature on the battlefield
In a multiplayer format like Commander, people are going to cast a lot of spells, and they're all going to make Ishai bigger
Its either going to be an incredibly powerful piece of a creature strategy that has the ability to create an abundance of creatures and makes the plus ability from Huatli to be an enormous loyalty generator, or were going to forget that this was even a card printed in a couple months
An artifact creature, an instant, and a planeswalker will do the trick
It does take a little bit of time for it to get going as it costs two mana to equip, but once you do, you can ensure you always have the mana to equip it again from all the Treasures it makes
Not only is Solemn Simulacrum a great MTG mana ramp card, allowing colors that aren't green to cheat out extra lands, it also draws you a card when it dies