And yet, some cards dare to encroach on that sacred space: double-faced cards
Common 57 The Wardrobe, Belles Confidant Common 70 Beast, Wolfsbane Legendary 99 The Beast Is Mine
To "collect evidence N", exile cards with total mana value N or greater from your graveyard
At the time of writing, its not entirely clear which cards will be featured in the Vivid Voltage expansion, as the full details have yet to be released for the international version
Q: Is there additional storage for tokens and accessories
While there is some variance (super-low-curve aggressive decks might have slightly less, while decks built on ramping or other land synergies might have slightly more), probably 80% of all the Commander decks I build have 37 lands