On your first cycle, you are going to grow incredibly well and maintain the size and muscle with very, very minimal gear.
You keep it simple and very anabolic, deca and test are as simple as it gets,
Your body will not have to fight any major sides
It will grave training, food and rest, and that is up to you, the gear will only do so much, regardless of what you take, but the gear will do a lot.
You don’t need gear that is exotic, very specific, or expensive, you simply need something very general to help you grow, and deca and test are perfect for a first cycle.