Tengu format ruling
Consecrated Light
Card effect (current official text)Neither player can Normal or Special Summon DARK monsters or declare an attack with a DARK monster. This card cannot be destroyed by battle with a DARK monster, also you take no battle damage from that battle.
Rulings
- You can Tribute this card to Tribute Summon a DARK monster.
- You can't use this card as Synchro Material for a DARK monster.
- While this card is on the field, you can Summon "Light and Darkness Dragon", but it can't attack.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.