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
Jozu helps shift the field presence in your favor, and if you use a cost-reduction card, you can remove a high-cost carry from play, putting your opponent behind on the field
However, getting a bundle of different booster packs lets you add a huge variety of cards to your collection, and you may be lucky enough to get some rare Pokmon cards too
With Timetwister, Force of Will, Mana Drain, Brainstorm, and Dig Through Time accounted for, what cards could possibly do justice to blues legacy?
If a card is PSA 10, then it's official