Recently found an article sharing an EMA strategy written by Vertex. I copied a majority of the Long conditions into code here with some visual aid.
Essentially, watch for a the 8 EMA to be greater than the 21 EMA, and all the EMA's to be spread apart. Then get your trigger bar from a retracement from the 8 bar EMA. Stop on the lowest low of the past 5 bars, or...