User blog comment:Otakon7/Otakon7's Buddyfight Simulator/@comment-2234004-20140323203733/@comment-2234004-20140324065638

Set cards go to a special zone, and in there you can pick "cast" in case it's a counter type spell (like the Katana impacts), and cast cards go to a special "chain" area where players can counter themselves.

Ah yes, I also have to enable "soul".