Does it copy Immaterial? How does it interact with Dimensional Shield and Bonewall? Against most other cards, this is pretty underpowered. I think the cost could be reduced to 3 
|2 , and I would still think twice about using this card in fire decks that need a shield. Thematic-wise, this sounds pretty weird too.
it does not copies immaterial.
it copies dimensional shield and bonewall to the exact same turns and bones left at the end of your turn.
sorry, i think i made a mistake,
i wanted the shield to have an additional effects
exactly the same as your opponent's shield
while the original shield copy skill still remains,
basically Glass Shield have 2 skills,
1 is to copy the opponents' skill at the end of your every turn
and another is your opponent shield skill that you have previously copied.
i need to rethink and most probably rework Glass Shield
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updates:
change skill text
change from fire to darkness
