My favourites are:
SIN machine. Also note the Amplitude Modulation frequency works the same at the same values as the SIN machine so you can AM a second sine wave to your original to make 2-notes, add a Harmonic, or make dissonant waves by placing them close together but different.
TRX-B2, distortion to 100%, filter closed, LFO envelope to filter, resonance and everything else to taste. This is how the MD909 makes a 303 sound. Lots of versatility with filter, dirt, AM settings
Any E12 machine with retrig rate set short, filter and distortion set to taste. Great for starting with a breakbeat and then speeding it up into a blur and then into a synth sound. You can do cool wavetable like morphing by adjusting pitch and start independently while keeping the repeat rate constant.
I need to find more options here as I’m working on a all-machinedrum live set right now. To make things sound good I find it helps to mostly stick to the same synthesis option in a track - hard to make SIN and BD2 sound good with each other as the pitch mappings are completely different.
Tonight I want to try karplus-strong with the delay engine \m/