Reign-Beaux, Overlord of Dark World – (Gates of the Underworld Structure) – (SDGU-EN014) – (Common)(LP)

If this card is discarded from your hand to your Graveyard by an opponent’s card effect: Special Summon this card from the Graveyard. When this card is Special Summoned this way: Destroy all monsters your opponent controls OR all Spell/Trap Cards they control.