Raidraptors vs Raid Killers!

What's going on, everybody!? In today's video, we find our Mechanical bretheren, against one of their fiercest foes yet. Upon delving deep into that cave, another world was discovered. Musical notes filled the air, this world just gleaming with delight and joy. I guess the Raids were not welcome, as preparation for their defeat was abound. Deep in this world, the solfacords were waiting to strike....