Hello there, I have found a strange bug.

Using the mod Scryfall, my friend spawned an MTG card called "Mirari's Wake" as part of a whole deck. He could save this deck as an object just fine, but when I tried to save that specific card I got this error message:
"Error creating Saved Object thumbnail: Illegal characters in path"

Even if I put it in a grouped deck the game refuses to save it (or anything else that's selected with it). My friend couldn't save it again either (even though it's part of his already saved deck).
I can still spawn it manually through Scryfall without any issue.

Anyone know why this card in particular doesn't want to be saved?