Which Waterforce variant are we talking about? There is a version with only a waterblock slapped on and another with an AIO slapped onto it. If the latter, you're going to be fine with any case that has a 120mm exhaust or intake mount. That being said, you could look into the Corsair obsidian range or if you want something smaller, the CoolerMaster N200 or of sizable oomph, the NZXT S340.
It'd be best if you can pass on the model number for the Waterforce card. Please include your region of purchase and a budget for us to narrow down a chassis. In the mean time, please pass on the rest of your hardware to understand how big of a case you really need.