When this card is activated: You can target 1 of your banished cards, return it to the GY. Any card that is sent from the field to the GY is shuffled into the Deck instead. If this face-up card is sent to the GY: You can add 1 "World Heritage" or "World Denizen" Spell/Trap from your Deck to your hand. You can only activate 1 "World Heritage - Cavern of Memoir, Gelida" per turn.