REDU format ruling
Swords of Concealing Light
Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)Destroy this card during your 2nd Standby Phase after activation. When this card resolves, change all monsters your opponent controls to face-down Defense Position. Monsters your opponent controls cannot change their battle positions.
Rulings
- If your second Standby Phase after activation of "Swords of Concealing Light" is skipped with "Solomon’s Lawbook", etc., then "Swords of Concealing Light" is not destroyed and remains active on the field until removed from the field by another effect.
- While your "Swords of Concealing Light" is active on the field, your opponent can still Summon new monsters in Attack Position.
- While "Swords of Concealing Light" is active, monsters can still have their battle positions changed with card effects like "Enemy Controller" and "Bite Shoes".
- The effect of "Swords of Concealing Light" that destroys itself in the Standby Phase does not start a chain.
- Since there’s no such thing as a face-down Monster Token, Monster Tokens are simply changed to Defense Position when the effect of "Swords of Concealing Light" is applied.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.