Aside from the far-reaching implications of these modal lands, the new party mechanic (which provides another application for Umara Wizard) promises to add another interesting consideration to deck-building, and landfall is always fun for the weight it adds to every land drop
Organ Harvest's flavor text is referencing a popular line from the sitcom I Love Lucy: Lucy, you've got some splaining to do. Ow's flavor text was us making fun of how disconnected some flavor texts are from the card they're on
Its sort of like Vaporeon from Mythical Island, and no points for guessing, but Dawn would be a major play to get Palkia EX more Energy, transferring Energy from, say, Articuno EX to Palkia EX or even Gyarados EX (without the hassles of getting Eevee and evolving it to Vaporeon)
Stubborn Burrowfiend is another powerful and aggressive 2-drop
Sky Striker Ace = Zero (Starlight Rare) Tournament players want it