Brain Golem

Edison Card Text
Effects of face-up LIGHT monsters are negated. If this card destroys a LIGHT monster by battle, it can attack once again in a row.
No targeting
Damage Step • Substep 7
Banlist • Unlimited
Interactions
If Brain Golem attacks a face-down D.D. Warrior Lady, does her effect activate?!
Brain Golem attacks a face-down D.D. Warrior Lady.
No. She is face-up and negated by the time her effect would activate during the Damage Step.
If DNA Transplant makes Brain Golem LIGHT, what happens?!
DNA Transplant changes Brain Golem's Attribute to LIGHT.
Brain Golem's effects are negated, while other LIGHT monsters are unaffected.
Rulings
edisonformat.net
●The Continuous Effect applies so long as Brain Golem is face-up on the field.
●This effect only affects LIGHT monsters while they are face-up.
●The effect of “Sphere of Chaos” is negated if “Brain Golem” is on the field, so “Sphere of Chaos” is not treated as a LIGHT monster.
●If “Brain Golem” becomes a LIGHT monster, its effect is negated but all other LIGHT monsters are applied normally.
●“Brain Golem” only negates the effects of face-up LIGHT monsters on the field. If a monster is no longer face-up on the field, its effect is not negated by “Brain Golem.”
●The Trigger Effect activates in Substep 7 of the Damage Step (End of the Damage Step) when monsters marked for destruction by battle are sent to the GY.
●If “Brain Golem” destroys a monster that was LIGHT on the field but is no longer LIGHT in the GY (because of “Scroll of Bewitchment” or “DNA Transplant”) it can still attack once again.
edisonformat.com
(1) Effects of face-up LIGHT monsters are negated. (2) If this card destroys a LIGHT monster by battle, it can attack once again in a row.
The (1) Continuous Effect applies so long as "Brain Golem" is face-up on the field.
This effect only affects LIGHT monsters while they are face-up.
The effect of “Sphere of Chaos” is negated if “Brain Golem” is on the field, so “Sphere of Chaos” is not treated as a LIGHT monster.
If “Brain Golem” becomes a LIGHT monster, its effect is negated but all other LIGHT monsters are applied normally.
“Brain Golem” only negates the effects of face-up LIGHT monsters on the field. If a monster is no longer face-up on the field, its effect is not negated by “Brain Golem.”
The (2) Trigger Effect activates in Substep 7 of the
Damage Step
(End of the Damage Step) when monsters marked for destruction by battle are sent to the Graveyard.
If “Brain Golem” destroys a monster that was LIGHT on the field but is no longer LIGHT in the Graveyard (because of “Scroll of Bewitchment” or “DNA Transplant”) it can still attack once again.