is this rarity??? http://derpicdn.net/media/W1siZiIsIjIwMTIvMDYvMjAvMjFfMTZfMzZfMjg1XzEyNTI1X19zYWZlX3Jhcml0eV9wb25pZmllZF9vcGFsX21vdXNlX2FydGlzdF9oZTRydG9mY291cmFnZV9jaGVlc2UiXV0/12525__safe_rarity_ponified_species-swap_opalescence_mouse_cheese_artist-he4rtofcourage_rarimouse.png.png