BLC1-EN112 * Glorious Numbers * Common * Battles of Legend: Chapter 1 Ghosts From the Past switch control of those 2

switch control of those 2 monsters

immediately after this effect resolves

you can return to your GY

or if another Machine monster(s) is Normal or Special Summoned to your field: You can activate this effect

You can only use each effect of "Crystron Tristaros" once per turn

BLC1-EN112 * Glorious Numbers * Common * Battles of Legend: Chapter 1 Ghosts From the Past switch control of those 2If 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.