Glorious Numbers (BLC1-EN112) [Battles of Legend: Chapter 1]

If you control no monsters: Target 1 "Number" Xyz Monster in your GY; Special Summon it, then draw 1 card. You can banish this card from your GY, then target 1 "Number" Xyz Monster you control; attach 1 card from your hand to it as material. You can only use each effect of "Glorious Numbers" once per turn.