what does "popular" even mean? i got a post on reddit with 4k upvotes and at the time that was popular to me because i was a new account with nothing on it. my perspective changed yesterday when another post of mine got featured here and on the r/Minecraft page, i fealt basically the same ammount of exitemrnt for both of these posts even though one is clearly bigger so in all honesty if you are happy with where you are then you are already popular.

before my account "became popular" i had one subscriber, puff21 and that was really good because they were there to support every post

At this point in YouTube history, it's probably more dumb luck to becoming popular than any other factor.
Especially in a subject that's so saturated like Minecraft videos, there's so many choices that it's almost a fool's errand.
If you're just another generic Minecraft YouTuber, people are more likely to stick to the already big names than spend time watching a newbie. Popularity is by word of mouth, and even then it's pure luck if anyone decides to share you with their friends.

I'd suggest finding a niche and sticking with it.
Are you making funny videos? Then concentrate on being funny.
Are you a redstone wizard? Come up with some crazy awesome redstone contraptions and maybe offer them as downloads.
Are you a builder? Make awesome builds, and they have to be magnificent. Go big. Winning a contest on here wouldn't hurt.
Do you have friends? Have a team of people with multiple points of view.
Do you play server games? Get good, record your awesomeness.

Just don't record yourself generically playing the game. That'll be the easiest way to get lost in the shuffle.
If people aren't watching you for anything in particular, then why would they?
Give people a reason to keep coming back and be something new viewers want to binge watch.
Make them NEED the next episode of your content.

You can branch out more on your content once you do become popular, but you need that hook to keep fans first.
Also, reddit yourself, twitch yourself (if you can), twitter yourself.
If you are ever popular, or want to know what content your fans are more interested in, what they don't care for, what makes them come back, you'll need those.

Take it from a person whose only twice your size currently, the more you upload the quicker the YouTube algorithm with pick up your channel, before the virus hit us I was uploading 3 times a week I've had to slow down a bit now but meh. Try to upload at least once a week

Remember to add tags and lots of them in the tag bar

It takes a long while to get picked up and until you get to 1000 subs it's going to be slow going trust me I'm still climbing my way through the ranks especially if you take breaks and don't upload regularly.

Finding someone to do videos with makes making content much easier but also joining a YouTube minecraft server is a good way to interact with other small Minecraft YouTubers. There are many servers floating around for this including the one I upload for HydroKraft.

Linking a social media account to your channel will help spread your channel, I use twitter and try to tweet out my videos to gather some more views.

Also post on here about any new series you start (if there minecraft related) cause you'll be surprised how many people will check out your stuff

I'm sorry this is kinda a mess just writing all the things that comes to mind and my mind is messy.

Maybe upload more frequently, get better gear, etc. If you spend time and money into you channel, you should get more traction.

Also, don't re brand your channel so much.

maybe advertise a little? not too much, because if you do it too much people get mad and will probably not check out your stuff