You could probably do 200mg of the test to subside the Deca Dick
Clomid helps get your natural test production back up to speed, it's crucial, so don't skip it.
Bromocriptine can help with the Deca Dick, but it's more important use is for gyno. Deca gyno is from progesterone, not estrogen. Bromo lowers your prolactin levels which combats the progesterone induced gyno. Lowered prolactin levels icrease libido as well, so the use of bromo can help with the Deca Dick.

Clomid and Bromo are both RX. Now if you can get the gear, you can probably get the clomid, it's widely used. Bromo tends to be a little harder to find.