You can only use the 1st and 2nd effects of this card’s name each once per turn.
(1) Activate 1 “The Sanctuary in the Sky” from your Deck OR add 1 monster that specifically lists that card in its text from your Deck to your hand, then, if “The Sanctuary in the Sky” is on the field or in the GY, you can gain 500 LP for each “Hyperion” and “The Agent” monster you control.
(2) If your monster(s) that specifically lists “The Sanctuary in the Sky” in its text would be destroyed by battle, you can banish this card from your GY instead.