Gholdengio-Ex bugged "Make it Rain"

Faceofbeau

Played an opponent who hand two Gholdengo-EX in play.

His attack used the move "Make it rain" discarding x4 steel energy from his hand and did 400 damage even though the card text is x50 for each energy.

Please fix?

pikayou

Which Pokemon was your active, did it have a weakness to metal?