Reverse Holo cards from "The Best of XY " were just listed!

High Class Pack "The Best of XY " were released on April 21, 2017.

The Best of XY is a special Japanese sub-set featuring XY and XY BREAK era.
Each card (with the exception of Pokémon-EX, Mega Evolution and Pokémon BREAK cards) has a Reverse Holofoil print.

Reverse Holo / The Best of XY