Edison format ruling
Cloudian - Storm Dragon
Card text as printed in this era© Can't be Normal Summoned/Set.
© Must first be Special Summoned (from your hand) by banishing 1 "Cloudian" monster from your GY.
① Can't be destroyed by battle.
② If this card is in face-up Defense Position, destroy it.
③ Once per turn: You can target 1 face-up monster on the field; place 1 Fog Counter on that target.
Rulings
- As long as this card was initially Special Summoned by its own procedure (and the summon wasn't negated), you can Summon it from the GY with card effects.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.