I was asked to make a new version of this mod, since the original (not by me) was discontinued a long time ago. It adds a black outline around all units. It will work for future versions of the game, but you’ll have to re-extract the 7z after each patch. When CPG adds new cards, I’ll release an updated version for those.
For the original client, extract the 7z to
For Steam, browse local files, then go to
For OS X, you’ll have to edit package contents of Duelyst.app, go to
/Resources/app/src/resources/unitsand extract the PNGs there