Enemy Controller (DR2-EN149) - Dark Revelation Volume 2 Unlimited

Select and activate 1 of the following effects:
-Change the Battle Position of 1 face-up monster on your opponent''s side of the field.
-Offer 1 monster on yoru side of the field as a Tribute. Select 1 face-up monster on your opponent''s side of the field. Take control of the selected card until the End Phase of the turn this card is activated.