Advanced format ruling
Supremacy Berry
Card effect (current official text)If your Life Points were lower than your opponent's when this card was activated, gain 2000 Life Points. If your Life Points were higher than your opponent's, you take 1000 damage.
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.