REDU format ruling
Masked Chopper

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)If this card destroys an opponent's monster by battle, inflict 2000 damage to your opponent.
Rulings
- This effect does not specify "and sends it to the GY". It triggers at the end of the Damage Step, even if destroyed after Damage Calculation (either by battle or by effect), as long as it destroyed a monster by battle.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.