Some cards have had their good and bad formats
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
But theres a tight, thematic precon here with tons of pieces for other decks should you wish to disassemble it
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
The deck is a White, Blue, and Green (or, Bant) deck that revolves around creatures that enter with +1/+1 counters, that synergise with Tidus, Yuna's Guardian's abilities
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