Dusk Mane Necrozma GX - SM102

Pokémon-GX rule — When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.

[3] Claw Slash (60)

[1MMM] Meteor Tempest (220)
Discard 3 Energy from this Pokémon.

<span style="color:DarkRed">[MMM] Sun's Eclipse GX (250)
You can use this attack only if you have more Prize cards remaining than your opponent. (You can't use more than 1 GX attack in a game.)</span>