Advanced format ruling
Mokey Mokey Smackdown
Card effect (current official text)While a face-up "Mokey Mokey" is on your side of the field, if a Fairy-Type monster on your side of the field is destroyed, the ATK of each "Mokey Mokey" on your side of the field becomes 3000 until the end of this 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.