Dusk Mane Necrozma-GX

Meteor Tempest

Discard 3 Energy from this Pokémon.

Sun's Eclipse-GX

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.)

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