REDU format ruling
Exploder Dragon

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)If this card is destroyed by battle and sent to the Graveyard: Destroy the monster that destroyed it. Neither player takes any battle damage from attacks involving this attacking card.
Rulings
No rulings currently available.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.