Kali - Mahavidya

Kali stands on Shiva

Kali is one of the Mahavidyas. Krishna avatar of Vishnu is portrayed at the bottom.

Image of Satguru Sivaya Subramuniyaswami
Always worship this great God. Never fear Him. He is the Self of your self. He is closer than your own breath. His nature is love, and if you worship Him with devotion you will know love and be loving toward others.
—Gurudeva