I think Dungeon Master on the NES did it, too. It might work on a touch screen or with some sort of generated spell-making logic based on gesture combinations,

I think Dungeon Master on the NES did it, too. It might work on a touch screen or with some sort of generated spell-making logic based on gesture combinations, but having 10 spells and 1,000,000,000 non spells wasn't very satisfying.