Ezuri is a tribe-heavy creature whose abilities only work if the player has many other Elves to join Ezuri in battle
A section of Rinko Park, the Minato Mirai neighborhoods harborside park, will be filled with festival amenities, including a tall wooden tower lit up with lanterns, Bon odori dances, a Magikarp fishing game, a Pokball toss game, and much more
I do think you've got enough ramp to hardcast some of your threats at least some of the time, but adding in a secondary (or even primary?) cheat-in spell would almost certainly make the deck more consistent
Makes me want to take another shot at that Cadric, Soul Kindler blink deck
Another favorite deck inclusion for me in the X and Y days was Shaymin EX
From reading the description shared by head MTG designer Mark Rosewater in 2019, it doesn't seem out of the realm of possibility