As one of the newest TCGs, players will probably want to wait and see how it does after a few new set releases before they invest too heavily in it
Try Copper Tablet or Barbed Wire instead
Level 1 lets you loot (draw/discard) whenever you cast a noncreature spell, which triggers your Monument
A colorless artifact, Sol Ring is playable in every single Commander deck, and unless you're deliberately trying to reduce the power of your deck, you should be using it too
It certainly cuts into the costs of activating some of those Praetors, like the ones from March of the Machine
So, if we take away the X is 5 or more part of this card, it would already be quite good