Starry Rage (RL2412) [Promo Cards]

[Quickcast] Play this card only if you control a J/ruler named "Lenneth, Lonely Asteras". This card cannot be canceled. Reveal a Seven Kings ruler you own from outside the game that does not share a name with other Seven Kings rulers you own revealed outside the game and keep it revealed until end of game. Destroy all non-magic stone entities your opponent controls that share an attribute with the ruler revealed this way.