I Have a Spiritual Card Book

This is a strange world. There is something magical about it - cards. All kinds of wonderful ideas are sealed in the small cards. [Sticky oil + fireball = oil fire bomb] [Earthquake Rock + Teeth Tiger = Explosive Teeth Tiger] [Broken Arrow+White-Eyed Wolf+...=Broken Smoke Shoots the Sirius] ... Card masters use magical powers. Created a variety of magical cards. Dharma cards, weapon cards, beast cards... The possibilities are endless. But! Is the ingredient recipe rare? Is the synthesis all a matter of luck? ... It was heard that everyone was going crazy because of the combination of cards. The silver source on the side, Silently he opened his spirit card book. Looking at the various formulas on it, he raised his eyebrows and asked, "How about how many should I sell?" (A small note: cards, pet beasts, summons... Are worth owning!)