When it enters the battlefield, it exiles all graveyards and it makes sure that nothing is able to enter the graveyard again until it leaves the battlefield
Max wants you to cast spells to untap one creature, making her worse than useless in any Gruul (red and green) Werewolves-focused deck, which should be more popular by the time Max is out there in the wild next January
They dont have to cast them, but you benefit greatly from shuffling away a handful of threats with no repercussions or dealing 15 damage spread across your opponents
They will print a bomb 7/7 at some stage and this will return to the B cube where it really belongs
It holds 120 sleeved cards and provides storage for dice, tokens, and other accessories
Theres a psychological element of not feeling as hopeless against certain sideboard cards, as well