Imperial Custom

Edison Card Text
Face-up Continuous Trap Cards cannot be destroyed, except "Imperial Custom". You can only control 1 "Imperial Custom".
Ancient Prophecy • 2009-09-01
No targeting
No Damage Step effect
Banlist • Unlimited
Interactions
How does Imperial Custom interact with Mirror Wall's maintenance?!
Mirror Wall is active while Imperial Custom is on the field.
Imperial Custom prevents the Trap from being destroyed by its own effect, so Mirror Wall can remain.
Does Imperial Custom prevent Mirror Wall from destroying itself?!
Mirror Wall's maintenance would destroy it.
Yes. Imperial Custom prevents the Trap from being destroyed by its own effect.
Rulings
edisonformat.net
●The Continuous Effect does not activate.
●This effect only protects Continuous Traps from destruction.
●Continuous Traps which destroy themselves (ex: Call of the Haunted) are not destroyed.
●Continuous Traps still destroy themselves if maintenance costs are not paid (ex: Mirror Wall).
●Trap Monsters (ex: Zoma the Spirit) can't be destroyed by battle or card effect.
●If Heavy Storm would destroy face-up Continous Trap Cards, Imperial Custom is destroyed but all other face-up Continuous Trap Cards (including your opponent's) remain.
●Continuous Trap Cards can still:
●be flipped face-down (a Trap Monster targeted by Book of Moon).
●be returned to the Deck (by Raiza the Storm Monarch).
●be returned to the hand (by Giant Trunade).
●be removed from play (by Caius the Shadow Monarch).
●have their effects negated (by Jinzo).
●have their activation (playing face-up) negated (by Dark Bribe). If the activation of a Continuous Trap Card is negated, it is sent to the GY. It was never face-up on the field.
edisonformat.com
(1) Face-up Continuous Trap Cards cannot be destroyed, except "Imperial Custom". You can only control 1 "Imperial Custom".
The (1) Continuous-like Effect does not activate.
This effect only protects Continuous Traps from destruction.
Continuous Traps which destroy themselves (ex: "Call of the Haunted") are not destroyed.
Continuous Traps still destroy themselves if maintenance costs are not paid (ex: "Mirror Wall").
Trap Monsters (ex: "Zoma the Spirit") can't be destroyed by battle or card effect.
If "Heavy Storm" would destroy face-up Continous Trap Cards, "Imperial Custom" is destroyed but all other face-up Continuous Trap Cards (including your opponent's) remain.
Continuous Trap Cards can still:
be flipped face-down (a Trap Monster targeted by "Book of Moon").
be returned to the Deck (by "Raiza the Storm Monarch").
be returned to the hand (by "Giant Trunade").
be removed from play (by "Caius the Shadow Monarch").
have their effects negated (by "Jinzo").
have their activation (playing face-up) negated (by "Dark Bribe"). If the activation of a Continuous Trap Card is negated, it is sent to the Graveyard. It was never face-up on the field.