Bone Hive

Put a -X/+X counter on target creature where X is the targeted creature's power. It gets defender.
The tightness in the chest will increase as well as a fever until the host is incapacitated. It is around this time that the onset of Fibrodysplasia Ossificans Progressiva (FOP) occurs, a disorder that is normally genetic in nature that promotes growth of muscle tissue into bone.