Edison format ruling
Atomic Firefly
Card effect (current official text)When this face-up card on the field attacks or is attacked and it is destroyed as a result of battle, the player who destroyed it takes 1000 points of damage.
Rulings
(1) When this face-up card on the field attacks or is attacked and it is destroyed as a result of battle, the player who destroyed it takes 1000 points of damage.
- The (1) Trigger Effect is mandatory, it activates & resolves in the GY / banished.
- The card text is very correct on the card mechanics; Atomic Firefly has to be face-up BEFORE the attack is declared.
- This effect activates in Substep 7 - End of the Damage Step.
- You can use Barrel Behind the Door against Atomic Firefly's effect.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.