I would just like to share a simple technique of casting which requires no words, i call it the intention ball. (this may already be a thing, but it came to my head a while back and i figured i should share it anyway.)
First you have to make a ball of Ki/Chi/Spiritual Energy, try to put as much energy as you can to get a better affect. then you have to focus your intentions of what you want into the ball. Then you just release the energy, or place the energy of the ball into a object.