This Dihada, Binder of Wills deck can win in a few different ways, only one of which is what Id call a big flashy play
Revellark: Great reprint
The History of Transform in MTG Transform first came out in the fan-favorite Innistrad set in 2011, partly to represent the population of the plane turning into the monsters that the horror-inspired world was home to
Its also really easy to break, as all you need is two creatures that can flicker each other, which not only produces infinite +1/+1 counters on your creatures, but also scales firebending up to make infinite mana when Zuko attacks
Horizon Seeker I think re-useable land tutoring is good, snow-lands are basic lands, so that's neat, 3 to get out and 2 to use is a lot of mana to invest in a potential land tutor for a basic though, and it's not an elf, but rather a human warrior, which generally tend to be white (though obviously not always)
Cast an instant or sorcery