A two mana lord which buffs all your creatures is a pretty standard rate, but Lord of Atlantis does much for you than that: he also gives everything islandwalk
Are you ready for the introduction of one of Charizard rarest cards ever
Functionally, it's identical to the version released in the Pokmon TCG set Fossil, though obviously with unique art
Urza, Lord High Artificer The next is the designed to break Modern dork that costs four, has a smaller 1/4 body and then ETBs with a win con in size of your artifacts in artifact token form with the ability to ramp by tapping your artifacts for Blue mana and then that mana can be spend on anything, not just artifacts and you can spend five mana to cast free stuff, nasty little kill, free stuff, ramping powerhouse which people don't fill around nicely and I hate to see abused
While additional card draw power in Enchantress-style decks might feel a little redundant, it is a powerful ability to have sitting right in the Command Zone