Baleful Gigginox

Reach
Whenever Baleful Gigginox attacks, tap target creature an opponent controls. Target creature
doesn't untap during its controller's next untap
step.
A subspecies of Gigginox that uses electricity to stun
prey. It is believed to be a random mutation, and as
such, sightings are relatively rare. It may be possible to weaken its electrical powers by destroying the capacitor organs on its body.