A magic artwork chest is an item in Evony TKR (The King's Return).
The description of Magic Artwork Chest in Evony TKR says:
Open to receive one of the Artwork Fragment Chests.
Magic Artwork Chest is known to potentially be obtainable from opening Junior Hydra Chest and Medium Hydra Chest. The links for each item are below:
Note: This list may be incomplete.
Magic Artwork Chest opens up to potentially any of the following items: