Hidden Fates Shiny Vault set of Sun & Moon series

Lycanroc-GX
Stage 1 - GX
HP200
Evolves From: Rockruff
Pokédex No.745
Pokémon-GX rule
When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.
AbilityTwilight Eyes
When you play this Pokémon from your hand to evolve 1 of your Pokémon during your turn, you may discard an Energy attached to your opponent's Active Pokémon.
Accelerock
Splintered Shards-GX
This attack does 30 damage for each Energy card in your opponent's discard pile. (You can't use more than 1 GX attack in a game.)