Gettin Mama Odie, Mystical Maven out there early - which should be doable thanks to the cheap cost of the card - alongside a handful of songs, will very quickly put you into a position wherein you can play a lot more cards per turn or a much more expensive, and more powerful, card a lot earlier than your opponent
Modern Horizons 3 contains the 5 basic lands (Plains, Island, Swamp, Mountain, and Forest) with variant treatments, plus an uncommon Snow-Covered Wastes (included as one of the 101 uncommons) with its variant treatments
Additionally, a playset (4 copies) of some important cards is guaranteed, such as Mulan - Disguised Soldier and Captain Hook - Forceful Duelist
In the beginning the deck was totally geared towards the combo and as Throne of Eldraine had not yet been released, Oko was not a card that was part of the deck
But theres a tight, thematic precon here with tons of pieces for other decks should you wish to disassemble it
We decided early on that they would care about frogs mechanically