Melmetal - SM181 (Prerelease) [Staff] (SM181) [SM Promos] Holofoil Set_XY - Steam Siege and in their discard pile

and in their discard pile have no Abilities

your opponent's Pokémon-GX and Pokémon-EX in play

Colorless Allure Draw 3 cards

Colorless Magical Shot (40)

Outside Area Zero

Melmetal - SM181 (Prerelease) [Staff] (SM181) [SM Promos] Holofoil Set_XY - Steam Siege and in their discard pileRarityPromo Hit Points150 HP Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Metal,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown Once during your turn (before you attack), you may discard a Metal Pokmon from your hand. If you do, heal 100 damage from this Pokmon.