Advanced format ruling
Sphinx Teleia
Card effect (current official text)You can pay 500 Life Points to Special Summon this card when "Pyramid of Light" is on the field. This card cannot attack during the turn that it is Normal Summoned or Special Summoned. This card cannot be Special Summoned from the Graveyard. If this card destroys a Defense Position monster as a result of battle, inflict damage to your opponent's Life Points equal to half of the DEF of the destroyed monster.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.