Aside from there being some solid options for Bird cards in Bant, like Derevi, Empyrial Tactician, there are also cards like Murmuring Mystic and Flurry of Wings that can create Bird tokens for you
You could also do this in a Voltron deck, although the second ability is less relevant
But if you have some patience this card can be dominant, and with a high hp, and low retreat cost, this card should withstand many of your opponent's attacks
because they serve as the ultimate form of disruption, capable of dismantling an opponents strategy and maintaining control over the duel
Dialgas VSTAR attack can pop off out of nowhere to steal games - although it takes a lot of Energy Cards, you can sit behind the newly released Diancie to avoid any Bosss Orders while you setup