Styx (OPUS VII) Foil

When Styx enters the field, choose 1 Forward opponent controls. If the cost to play Styx was only paid with Water CP, return it to its owner's hand.
Undine Cry [S][U][U][Dull] Until the end of the turn, all the Forwards opponent controls lose 5000 power. You can only use this ability if you have received 5 points of damage or more.