Card Tips:Number 78: Number Archive
- If this card's effect is used to Xyz Summon a monster, "Imperial Iron Wall" can be used to prevent that monster's banishment during the End Phase.
- Cards that flip the monster face-down can be used as well, such as "Book of Moon" and "Book of Eclipse".
- Use this card's effect to Summon "Numbers" whose own effects can prevent them from being banished by this card's effect, such as "Number 24: Dragulas the Vampiric Dragon" or "Number 87: Queen of the Night" (by flipping themselves face-down).