MK-677 is awesome if you give it the time to run long term to get the most out of it. I would defnitely add that in.
As for your SARMS bridge cycle, based on your goals, I'd go with this cycle from
www.sarmsx.com
1-12 lgd-4033 10 mg day dosed once a day in the a.m.
1-12 S4 50 mg day... split doses... 25 mg in the a.m. and 25 mg 4-6 hours later
1-12 GW-510516 (CARDARINE) 20 mg day… dosed all at once 30 minutes before workout…
1-12 MK-677 25mg per day dosed in the am
PCT
Clomid 50/25/25/25
GW 20mg per day
https://www.sarmsx.com/stacks/sarms-mini-pct-stack-1