add SD into bulk cycle

[Schmidty]

1-4 AD50 50mg ED
1-12 Test-e 500mg EW
1-12 HCG 250iu EOD EOW
1-12 L-Dex .25mg ED
8-10 Superdrol 30mg ED
11-12Superdrol40mg ED
PCT
1-2 Nolva 40mg ED
1-2 Clomi 100mg ED
2-4 Nolva 20mg ED
2-4 Clomi 50mg ED

Ill be 20yrs old when i do this and 3.5yrs training 195lbs 15%bf. Could i run some SD into my cycle like this at the end without any more probs. ANd will the L-Dex kill my sex drive while im on the cycle?