Light of Judgment (SR05-EN032) [Structure Deck: Wave of Light]

If "The Sanctuary in the Sky" is on the field, you can activate this card by discarding 1 LIGHT monster GY; apply 1 of the following effects.
<br>• Look at your opponent's hand and discard 1 card from their hand.
<br>• Send 1 card your opponent controls to the GY.