Sacred Balefire (CST-081 N) [Clash of the Star Trees]

[Quickcast] You may 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. This card deals 700 damage to each J/resonator your opponent controls that shares an attribute with the ruler revealed this way. If three or more Seven Kings rulers you own are revealed outside the game, draw three cards, then discard two cards.