Basically, while the actual milling effect of Compelling Argument isn't good, it's a fine card thanks to the ability to turn it into a more useful card for just one mana, while also giving us some late-game upside of milling our opponent when they are almost out of cards
Making those maps as full art lands compliments the card illustrations to create an immersive experience for players. The artist for these lands, Devin Rue, may also be a familiar name to any Critical Role fans, as they create the maps of Exandria for that show as well
Sudowoodo costs 70 Pack Points to craft
Plus we can still deal with anything our opponent throws at us thanks to Dragon Fire and Maui - Hero to All
You should be able to exile their entire library pretty quickly
With so many new MTG cards released each year, its only a matter of time before more Mutants and Zombies get released