Edison format ruling
Prohibition
Card text as printed in this era①If this card is activated:
Declare 1 card name.
② Cards/effects with that name (except cards already on the field, even if Set) can't be used.
Rulings
- "Used" means that those cards can’t:
- Be activated/Set. ● Be Summoned/Set from hand. ● Activate/apply its effects.
- Be used as Material. ● Change its position or Attack.
- A declared Monster can be Summoned from the Deck/GY/Banished, but if it is, its effects can’t be activated or applied, and it cannot change its Battle Position nor Manually Attack.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.