Activate 1 of the following effects.
* Target 1 EARTH Machine Xyz Monster you control in Attack Position and 1 monster your opponent controls; change the battle position of your monster, and if you do, destroy that opponent's monster.
* Target 1 EARTH Machine Xyz Monster you control in Defense Position and 1 Spell/Trap your opponent controls; change the battle position of your monster, and if you do, destroy that opponent's Spell/Trap.