Talk:Gameplay/@comment-35340256-20160303140007/@comment-24612605-20160303142547

Another way to gain soul: Cards that state to place them on top of another, these usually are restricted to stuff like demongodol and Jackknife though. And these are a part of their call cost.

So call cost (look at drum bunker dragon) or ability/keyword (crossnize comes to mind) are the only ways to get soul.

Example