These days people generally do not taper their doseages. Pyramiding and tapering is stricktly old school. As for clomid. People generally run it like this:
day 1 300 mg
day 2-11 100 mg
day 12-21 50 mg.
I personally do not use deca but a lot of guys who do run clomid for an extra 7 days @ 50...