Advanced format ruling
Ojama King
Card effect (current official text)"Ojama Green" + "Ojama Yellow" + "Ojama Black"
Select up to 3 of your opponent's Monster Card Zones. The selected zones cannot be used.
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.