Create group of blur nodes.
Create a quick mask for your rim light using the matrix node
Organic Defocus is a defocusing tool which replicates real camera bokehs. An upgraded nuke's defocus version.
HeatWave simulates heat distortion often seen around fire or other sources of heat.
BokehBlur simulates realistic lens blurring.
This is a chromatic aberration gizmo to mimic the art effects produced by certain lenses. This gizmo gives you control over each channel separately (scaling of R,G,B) and many other channel offset and blur options.
This tool creates an edge matte with subpixel control based on the alpha input. Increase the slider values to grow/shrink the matte, and blur the inner/outer edges as needed.
Equalize the contrast of the image to achieve basic tonemapping or delighting.
DefocusPlus is meant to be a step-up from Nuke's default Defocus node offering some more control over the filter shape while keeping it lightweight and intuitive to use.
The big classic Exponential Glow, with iterations dynamic control, quality setting, squeeze value, crop and Mask input. Comp tree optimization.