Milotic

Water 80 HP Rare

Wa Wa N

Dwindling Wave

80-

Does 80 damage minus 10 damage for each damage counter on Milotic.

Poké-Body Aqua Mirage

If you have no cards in your hand, prevent all damage done to Milotic by attacks from your opponent's Pokémon.

Its lovely scales are described as rainbow colored. They change color depending on the viewing angle.