Shaymin's default form is Land. When Given a Gracidea Flower to hold, it can change to Sky Form, taking on new typing, statistics, and moves. In Sky Form, its AC decreases by 2, its STR and WIS each increase by 2, its DEX decreases by 2, it gains a flying speed of 30 ft., its type becomes Grass/Flying, and its ability becomes Serene Grace.

Shaymin's default form is Land. When Given a Gracidea Flower to hold, it can change to Sky Form, taking on new typing, statistics, and moves. In Sky Form, its AC decreases by 2, its STR and WIS each increase by 2, its DEX decreases by 2, it gains a flying speed of 30 ft., its type becomes Grass/Flying, and its ability becomes Serene Grace.