Here is some information on the pokemon! (See i am saving you the troubles of looking for it )
I also included some pictures on how i think it should look (got them from www.google.com/images)
"Grass
Land Forme
Species
Gratitude Pokémon
Abilities
Natural Cure
Land Forme Serene Grace
Exp. at Lv. 100
1,059,860
S-002
Height
0'08"/0.2 m
Land Forme 1'04"/0.4 m
Weight
4.6 lbs./2.1 kg
Land Forme 11.5 lbs./5.2 kg
Catch rate
45 (5.9%)" (bulbapedia, Shaymin (pokemon) )
Gratitude is the sign of noble souls.
-Aesop