Gold Sarcophagus of Light
Cannot be destroyed by monster effects. You can only use each of the following effects of "Gold Sarcophagus of Light" once per turn. During your Main Phase: You can add 1 card from your Deck to your hand that mentions "Gold Sarcophagus of Light", except "Gold Sarcophagus of Light". If your opponent Special Summons a monster(s) from the GY: You can discard 1 Spell, then target 1 of those monsters; send it to the GY.