Thunder Dragon Discharge (MP19-EN208) - 2019 Gold Sarcophagus Tin Mega Pack 1st Edition

The activation of your Thunder monsters' effects cannot be negated. Once per turn, if a "Thunder Dragon" monster(s) is Normal or Special Summoned to your field: You can target 1 Spell/Trap on the field; banish 1 Thunder monster from your Deck, and if you do, destroy that target.