Going through my immense #videogames backlog, I found Mages of Mystralia by @BorealysGames to be the single-player cousin of Magicka I longed for where magic can be combined by the player to form unique playstyles and solve optional puzzles.
store.steampowered.com/app/529660/Mag… https://store.steampowered.com/app/529660/Mages_of_Mystralia/