There are numerous reasons
The top 250 Mythic-ranked players in either Constructed or Limited at the end of each season become eligible to compete in the following months Qualifier Weekend
If you missed the panel or just want to relive the excitement, we've got all the information right here
If nothing else, being able to activate Arthur, Wizard's Apprentice and grab three points of lore on your turn at the cost of another card may just be the thing you need to boost you over the finish line and grab a victory ahead of your opponents
But Inalla, Archmage Ritualist offers the heavy value you want in a wizard commander while opening up space for black, which allows for fun additions like Ertai Resurrected, Kess, Dissident Mage, black instants and black sorceries, and even Marchesa, the Black Rose
Slinn Voda and Whelming Wave are board wipes that bounce everything but the four creatures types we're using back to their owners' hands, while Deepchannel Mentor and Serpent of Yawning Depths make them unblockable to any unfortunate leftovers who remained after the wipe