My favorite has to definetly be no gas terran: you just make a shit tonne of marines and win with micro/macro. you will want to have a lot of macro oc's for mules, and late game suicide most of your workers and live just off your 20-30 ocs. If you find this build too hard, get a little bit of gas and study stim/shield. it will make this build a lot easier.
Another solid one (which is actually really effective in high level team games) is 16 nexus into 4 stargate pheonixes, and mass a tonne of pheonixes, if you actually want to win, once they start hard countering your pheonixes (archons/thors/infestor/hts/ghosts) transition into carriers and motherhship.
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