REDU format ruling
Option Hunter

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)Activate only when a monster you control is destroyed by battle and sent to the Graveyard. Gain Life Points equal to the original ATK of the destroyed monster.
Rulings
- If you send a monster to the GY for "Option Hunter" that has undetermined ATK, you gain 0 Life Points. ("King of the Skull Servants", "Megarock Dragon", "Maju Garzett", etc.)
- "Option Hunter" does not target.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.