I think you are un-prepared to use steroids at this point.
It is good that you are listening to advice on having an AI, a SERM and HCG use at play but It is never s good idea trying to put a steroid cycle together without all the correct elements and understanding in place.
Although a SERM does stimulate LH during PCT, it does not work the same during cycle. So you still need HCG.
In terms of bulking/cutting... You say you only want to do an 8 week cycle... You say you dont knoe wether to cut or bulk... All these things make me think you just are not ready yet. At 20-25% Bf your diet and training could still be improved too...
If you do want to use steroids after reading this, then I would most deffinitley have a goal of fat loss and lean muscle gain - Not bulking.
I would stick to a very clean calorie deficity diet with tesp p/anavar and clen/t3s if you want.