The emerald villain can be useful in an 'actions matter' deck and could be a great compliment for Alice, but he also has some stiff competition in the Emerald five-cost slot thanks to Kuzco, Temperamental Emporer and Ray, Easygoing Firefly
The Pixar premium is real where the scarcity is, and absent where it isn't
Try playing around with the pre-constructed decks first to get an idea of how Magic works, and then dig into some boosters and figure out ways you could either enhance those decks with alternate additions, or build your own deck entirely
With it almost being around for 30 years the iterations and advancement that these cards have been through are mindblowing from original rare cards like the Black Lotus, all the way to their newest releases
Its just sad on an empty board
Enter this Elf Shaman that was first introduced in the core set Magic 2011