Many of the best characters in the game already make use of the Shift mechanic, and Morph gives you a cheap, flexible way to play them all at a discount
Ikoria: Lair of Behemoths introduced reach counters, which work by giving a creature reach as long as the counter remains on them
Dreadnaught33: I think this card has an appeal, and I know a lot of Maverick players will try it because our Zenith for X=2 targets are just Ooze and Collector Ouphe at the moment
Other Builds My build focuses heavily on the The Prismatic Bridge side of this superfriends commander, but there are great options if you prefer the Esika, God of the Tree side
Moreover, based on my first tournament results, I felt like I had a good grasp on the game
Cloudpost generates absurd amounts of mana when paired with Glimmerpost and all the land-copying effects it can afford