Dragons are typically Red, but there are tons of Legendary Dragons in Blue, White, Green, and Black, and then add in cards like Catacomb Dragon, Ebon Dragon, Exalted Dragon, etc
Like any strategy revolving around graveyard interactions, this build is pretty easy to sideboard against
It's a win-win, right?" Well, yes and no
In fact, I would expect a few strong mill cards in the future to really allow him to shine
A budget Akiri, Fearless Voyager build just wants to go wide with equipped creatures, and will take all of the best cheap-to-play and cheap-to-equip Equipment available
You can even plan around wiping your own board with this to drain your opponent out of the game