REDU format ruling
Soul Devouring Bamboo Sword

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)Select 1 monster equipped with a "Bamboo Sword" Equip Spell Card. If it inflicts Battle Damage to your opponent while equipped with a "Bamboo Sword" card, they skip their next Draw Phase. Destroy this card during your second Standby Phase after activation.
Rulings
- "Soul Devouring Bamboo Sword" targets the selected monster that is equipped with "Bamboo Sword".
- The effect of "Soul Devouring Bamboo Sword" that causes the opponent to skip their next Draw Phase activates at the time the selected monster inflicts Battle Damage. This effect begins a Chain.
- If a "Bamboo Sword" equip card is no longer equipped to the selected monster, the effect of "Soul Devouring Bamboo Sword" no longer activates when the selected monster inflicts Battle Damage. The effect that destroys "Soul Devouring Bamboo Sword" during the second Standby Phase after activation is still applied.
- The effect that destroys "Soul Devouring Bamboo Sword" during the second Standby Phase after it was activated does not begin a Chain.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.