Mercy (cover) by Cooling Crystals Mrz 30, 2016 Black Magic, Cover, Cover Heavy, Cover Heavy Metal, Cover Mercy, Witchburner + Bonus, Mercy (cover) by Cooling Crystals. Like 0 Thanks! You've already liked this « Then He Kissed Me by The Crystals (Cover by The Satinettes) » Coldplay – Yellow(cover) by Stonned Generation