Advanced format ruling
Power Injector
Card effect (current official text)Once per turn you can pay 600 Life Points to have all face-up Psychic-Type monsters gain 500 ATK during 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.