Kryx, Creator of Chaos

When Kryx, Creator of Chaos enters the battlefield, take control of all artifacts on the battlefield.
Sacrifice an artifact: Deal damage equal to the sacrificed artifacts converted mana cost to any
target
Geons Journal Pg 232: "...my own hubris led me to believe my calculations were infallible. In
my pursuit to push the limits of what power is, I have likely doomed us all."