Maybe this?
OVERVIEW A card game based on the warcraft 3 reign of chaos lore, when you play a card some units will spawn on the battlefield. There are cards for the protagonist teams in the campaigns and also for the antagonists. HOW THE GAME WORKS: Initially each player must choose 20 cards out of the...
www.hiveworkshop.com
Null's so mysterious.
That being said, I feel these icons are not only too simple but their use is rather low. If something works for you, it doesn't mean it'll work for others as well especially when its purpose is so limited.