[NORMAL TRAP] You can only activate this card when there are at least 1 monster each of WIND, WATER, FIRE and EARTH Attributes face-up on the field. Select and resolve 1 of the following effects:
Destroy all monsters on your opponent's side of the field.
Destroy all Spell and Trap Cards on your opponent's side of the field.
Randomly discard 2 cards from your opponent's hand.