Regicide - FAB122 (FAB122) - Flesh and Blood: Promo Cards Rainbow Foil

Legendary Arakni Specialization (You may only have 1 Regicide in your deck and only if your hero is Arakni.)
When this hits a Royal hero, they lose the game.
When the combat chain closes, you lose the game.
Regicide can't be defended by cards with the same name as cards in the defending hero's banished zone.