Advanced format ruling
Hero Counterattack
Card effect (current official text)When an "Elemental HERO" monster you control is destroyed by battle: Your opponent chooses and reveals 1 random card from your hand, then, if it is an "Elemental HERO" monster, you destroy 1 monster your opponent controls and Special Summon the chosen monster.
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.