Atomic Firefly

edisonformat.net ●The 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. edisonformat.com (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 Graveyard / 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.