Reign-Beaux, Overlord of Dark World
Effect Monster
DARK Fiend
★7 ATK 2500 DEF 1800
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.