The most synergic stack?

[Ashop]

What do you consider to be the most synergic stack?

Test, proviron?
Test, deca, dbol?
Test, tren?
Test, eq, anadrol?

^^ Just to name a few. Name the once you feel are the most synergetic stacks!

Theres several IMO that work great together.
Simple,,effective...TESTOSTERONE/TREN