Advanced format ruling
Synchro Control

Card effect (current official text)Activate only if you have no Synchro Monsters on your side of the field or in your Graveyard. Pay 1000 Life Points and select 1 face-up Synchro Monster your opponent controls. Take control of the selected monster until the End Phase of your turn.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.