Furthermore, there are many more widely played formats (such as Tiny Leaders) I could provide a link to, but the reality is that if you include all those formats in your definition of previously banned, some person will eventually just invent a format that bans every card but basic lands, and therefore will be able to tutor all cards
These are all fine and playable in dragon Commander decks, but you can do a lot better with other commanders, even dragon commanders
Its powerful enough that I could see it in a ramp deck of some kind, so its not useless, but its not all that special
Until this house-cleaning is complete, well These early days of the format threaten to be very degenerate, with cards that were formerly banned in Standard, or still are banned in Modern and Legacy, fighting for the spotlight
Coat of Arms, Obelisk of Urd and Harsh Mercy seem to be the best rewards for plaing Full tribal