Metolius Master Cam
The Master cam is always my go to small cam of choice, especially once the old CCH aliens became scarce. I find the #00 (gray) to #3 (orange) to be the most useful sizes. Particularly the #1 and #2 get placed all the time. Even the #0 and #00 are confidence inspiring when in a good placement. The #3 starts to overlap with other common cams, like the .5 BD Camalot, but is useful due to being a different shape. The oval shaped loop that makes up the thumb catch is great for clipping in short when aid climbing.