Ib the World Chalice Priestess

2 monsters with different Types and Attributes
This linked card cannot be destroyed by battle or card effects. Your opponent cannot target this linked card with card effects. If a monster(s) this card points to would be destroyed by a card effect, you can send this card to the GY instead. If this card is sent from the field to the GY: You can Special Summon 1 "World Chalice" monster from your hand.