Nissa is known for using nature, so what if you transformed lands into larger creatures that could help end the game, maybe even lands that the second ability got onto the battlefield
One more was printed in Phyrexia: All Will Be One Commander with Otharri, Suns' Glory, and another experience counter legendary appeared in the Modern Horizons 3 Commander decks with Azlask, the Swelling Scourge
The best aggro decks in Disney Lorcana tend to make heavy use of Amber at the moment, so it's also easy to transition from the starter deck into aggro play with the addition of some key cards
Don't get fooled by nay-sayers: while using this with Leyline Binding sure sounds fun and efficient, it's not the peak of this card's synergies
I am bullish on this going without reprint for quite a while and if it does, its going to continue going up a few bucks a year, possibly at an accelerating rate