I designed a new deck called Momo Academic. And I think I broke it!
Momo Academic decklist as a screenshot from Moxfield can be seen below:

Academic is crazy good. You can discard your stuff and then go into Riddler or Fomo. Naga can copy everything to become a Riddler or Fomo. We may wanna go back to 2 copies of Naga. Naga triggers Academic. Daydream triggers Academic. Discards trigger Mako. Mako getting to 4 power gets you Flamewake Phoenix.
Hardened Academic and Daydream can be seen below as a screenshot from MTGA:

Quantum Riddler, Fear of Missing Out and Naga Fleshcrafter can be seen below as a screenshot from MTGA:

Marauding Mako and Flamewake Phoenix can be seen below as a screenshot from MTGA:

Daydream flashing back is so insane! Its main target in this setup is 90% Riddler and 10% Starfield Shepherd. 90% Riddler, because you can cheat it so fast with Momo reducing the warp cost. Which easily gives us a Riddler on turn 2. Same idea with Drum as well.
Momo Academic decklist as an export to MTG Arena can be seen below:
Name Momo Academic v1.0
Deck
1 Clockwork Percussionist
3 Daydream
4 Fear of Missing Out
4 Flamewake Phoenix
4 Floodfarm Verge
2 Go Ninja Go
4 Hallowed Fountain
4 Hardened Academic
3 Marauding Mako
4 Momo, Friendly Flier
1 Naga Fleshcrafter
3 Quantum Riddler
4 Sacred Foundry
3 Sage of the Skies
4 Springleaf Drum
2 Starfield Shepherd
4 Steam Vents
4 Sunbillow Verge
2 Winternight Stories
Two Paths to Win!
There are two paths to win. On path one, you… On path two, you…
Path One:
Turn 1, play a red land, then play Marauding Mako
Turn 2, play a white source, then play Hardened Academic.
If you have Mako, then from there you can discard any Flamewake Phoenix and go nuts!
Path Two:
Turn 1, play a white source, then play Momo
Turn 2, play a mana source, Springleaf drum, Sage of the Skies or play a mana source Quantum Riddler + Daydream.
Love to hear your thoughts and feedback on the deck.
Sideboard to come