Unknown ground, great castle
World: Exploration world
Attribute: unknown grounds
Cast cost : 2 life , 2 gauges.
Effect: You may [set] this card.
« Ancient fortress »: all of your [set] cards ( including this one )with the “unknown grounds” attribute cannot be destroyed by your opponent’s card effect.This effect cannot be negated ( note from Dungeon World : Pls change it wether you will find it op or not because i am not sure if to overpowered or not if you cannot nullify it )
You cannot put more than 2 “unknown ground, great castle” on your field.