The Apex cats (Nethroi, Apex of Death, Vadrok, Apex of Thunder, and Snapdax, Apex of the Hunt) all have mutate, but they cant be played together unless theyre in a deck lead by another commander
Otherwise, I envision these rising in price slowly over the next six months, as were unlikely to see a meaningful reprint anytime soon
Card Draw The last few slots I wanted to make room for some card drawing, especially ones that can keep you hitting early land drops like Nights Whisper and Read the Bones
Think of it kind of like having Snapcaster Mage in the command zone
The answers to these will help guide you more
Your opponents spells essentially costs 1 more to cast because a colorless mana has to be paid to negate Chancellor of the Annexs effect of countering spells