Use this card in the Spellcaster's Command Structure Deck to renew spells that are useful, such as "Magical Dimension".
Use this card in a deck that relies on Fusion Monsters, to renew spell cards that fuse cards, such as "Polymerization" or "Future Fusion".
Since this card can be activated during your turn only, use "Bubble Illusion" to activate it without waiting.
This card may be useful in a deck that uses cards like "Dimensional Fissure" and "Chaos Greed", as you can return 2 spells that didn't get removed from play to the deck, then you are able to activate "Chaos Greed".
In a "Prophecy" deck, you can use this card to "restock" your Deck with "Spellbook" cards.