While this method does not require any additional cards, ideally the Stasis Prison deck would be built with 4 Howling Mines, 2 or 3 Feldons Canes, and the omission of Timetwister
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Newer playtest cards were upgraded to stickers that are placed on real MTG cards
Second, we've gotten multiple similar cards, in Beck // Call and Rite of Harmony, that do the same thing as Glimpse of Nature for one more mana with upside, and none of these cards has been playable in Modern (outside of a brief, weird window when Beck // Call worked with Brain in a Jar)
While it's definitely possible to pick up other decks for a great deal, they may be more complicated to play, partially upgraded, or missing cards
Alongside Fetch Lands, or even stuff like Evolving Wilds, Nissa turns your land drops into threats, making it very difficult to run out of gas