command+v set to pasting, as default on macOS, I set
shift+command+v as clipboard history using Clipy. The additional
shift key requires your pinky.
One of my favorite is
command+`, which toggles a fullscreen, transparent iTerm2 screen. It feels like a Quake console for cheating, but more awesome!
Realized with Snap.
Sublime Text 3
control+option, you ask? Because I can hit them with one finger.