Radiant Steelix - 124 - Holofoil SWSH11 Lost Origin - Radiant Rare

Attach up to 2 Metal Energy cards from your discard pile to this Pokémon.

Discard cards from the top of your deck until only 1 card remains. This attack does 30 more damage for each Energy card you discarded in this way.

Radiant Pokémon Rule: You can't have more than 1 Radiant Pokémon in your deck.