On the Hogaak side of things, this deck has only Stitchers Supplier, Golgari Thug and Bloodghast as creatures that can tap for Hogaak the turn they enter the battlefield
ProxyKing cards are not official Magic: The Gathering cards and are not legal for Wizards-sanctioned tournaments
Boros If we want to get aggressive with Yoshimaru, why not go Boros and partner with Kediss, Emberclaw Familiar
you may look at the top card of their library any time, you may play the top card of their library, and you may spend mana as though it were mana of any color to cast spells this way. We already wrote about this floating eyeball in-depth, but the long and short of it is that you can always choose the best player for whatever you need, and thats the kind of flexibility you really want in any deck, let alone in your commander
This is the Mono-Green list Id play in Standard once Battle for Zendikar arrives
Arbor can fix a double off colour for you and it is an elf with power