Edison format ruling
Enlightenment

Card effect (current official text)You cannot Summon the turn you activate this card. Activate at the end of the Damage Step, if a Spellcaster-Type monster you control attacked and destroyed an opponent's monster by battle. That monster can attack again (immediately).
Rulings
- This effect does not target. The Spellcaster-Type monster that destroyed the opponent’s monster must survive the battle in order for you to activate "Enlightenment."
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.