To get on top of a target R then Flash after the channel completes, then instantly Q E W one after another.
If unseen Q then instantly Flash behind your target and W, Use E after the W channel completes and AA if needed.
While pretending to be an Effigy cast E, then instantly R. After landing cast Q W quickly.
For a quick combo Q then instantly E W.
When out of your target's vision, E then instantly Q W.
For a full burst combo R and once you land instantly Q W. E AA after the W channel ends.