It included a lot of staples that I would say are relatively crucial to making a good Angel typal deck in EDH
The design here is just so tight that I almost cant imagine having a bad game experience while Hakbal is at the helm
Do I Need a Sideboard in MTG
It's more expensive and harder to move around than the other options mentioned, but boy does it hit like a truck
Treebeard, Gracious Host Treebeard, Gracious Host comes from Magics venture into the Lord of the Rings IP, and, as the OG Ent in fantasy literature, it makes an excellent commander for a treefolk themed deck
That said, Ketramose could be too slow for Modern, and cannot be tutored by Recruiter of the Guard, so its viability is certainly dubious