REDU format ruling
Sword of Kusanagi
Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)Equip only to a Spirit monster. During battle, when it attacks a Defense Position monster whose DEF is lower than the ATK of the equipped monster, inflict the difference as Battle Damage to your opponent. When the equipped monster you control is returned to the hand and this card is sent to the Graveyard, return this card to your hand.
Rulings
- Sword of Kusanagi's second effect activates in the GY.
- If you control your opponent's Spirit Monster and you equip it with Sword of Kusanagi, when the Spirit Monster is returned to your opponent's hand and Sword of Kusanagi is destroyed, its second effect activates.
- If you add your opponent's Sword of Kusanagi to your hand with Exchange and equip it to a Spirit Monster you control, when the Spirit Monster is returned to its owner's hand and Sword of Kusanagi is destroyed, Sword of Kusanagi's effect does not activate.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.