The Agent of Entropy - Uranus (Ultra Rare) - Ghosts From the Past: The 2nd Haunting 1st Edition

If "The Sanctuary in the Sky" is on the field, you can Special Summon this card (from your hand). Once per turn: You can send 1 "The Agent" monster from your Deck to the Graveyard, and if you do, this card's Level becomes the Level of the monster sent to the Graveyard by this effect.