Munchkin 7: Cheat With Both Hands replaces Munchkin Blender and Munchkin 7: More Good Cards, which are both out of print.

So what's in the set? A lot more monster enhancers and item enhancers, too. There are several new low-level monsters to help you get easy kills  until somebody takes that Sock Puppet and turns it into the Ultra-Rare Extremely Sneaky Sock Puppet With Extra Cheese...