Burning Shadows set of Sun & Moon series

Marshadow-GX
Basic - GX
HP150
Evolves From:
Pokédex No.802
Pokémon-GX rule
When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.
AbilityShadow Hunt
This Pokémon can use the attacks of any Basic Pokémon in your discard pile. (You still need the necessary Energy to use each attack.)
Beatdown
Peerless Hundred Blows-GX
This attack does 50 damage times the amount of basic Energy attached to this Pokémon. (You can't use more than 1 GX attack in a game.)