As the time streams grew more and more unstable, Dominaria's creatures struggled to adapt. The intense pressures led to many dead ends but also to lethal new forms that appeared as suddenly as the ashen rains.

The Bonesplitter Sliver has a special adaptation to its blood. Its blood rages with bioluminescent blood. One can see it flowing through its veins right through the skin:

Bonesplitter Sliver