Argon, Natural Source/Rulings


 * While your opponent has Neon, Natural Source Princess on their field, you may still recover your spell with this card.
 * Neon, Natural Source Princess will increase the spell's "cost to use." However, this does not change the actual cost of the spell.
 * For example, while your opponent has Neon, Natural Source Princess on their field, Jetting Knowledge will require to use. However, its cost is still 0, and can be retrieved from the trash by Argon, Natural Source.