all of the collectables from update one are mythical and is see in rarity by colour

mini collectables trade with friend different colours = different rarities.

common x2 =rare.

rare x2 = legendary.

legendary x2 = mythical.

red, yellow, blue, purple, black, white = common.

green, gold = rare.

silver = legendary.

orange, glow in the dark, see through = mythical.