The Dragon you fetch up goes into your graveyard, which is great for Bladewing, and while youre only meant to activate this once per turn, you can actually hold priority to do it twice for some fun combos like using Moltensteel Dragon to buff itself up and then becoming Skithiryx to deliver a fatal blow with ease
The final level of Innkeeper's Talent causes all your planeswalkers to enter with twice their normal loyalty, which often means you can use their ultimate abilities right away
I am also the foremost Blue Devotion Elementals player in Pioneer and it feels like this could fit there
This creates a value loop where you get your ETB triggers twice, once for the original and once for the token, all for a massive discount in mana
Just cast all the elves, get Imaryll, Elfhame Elite out there, and try to eliminate players with commander damage