The design or gameplay isn't the issue, the aesthetic is clearly Minecraft.
You can't take Minecraft assets, mix the pixels around a little bit, and then be legally free and clear. If the public looks at pictures of your game, and they say "100% it's Minecraft", you're gonna have a bad time.
I'll be honest, you sound like someone's grandma who calls every game console a "Nintendo" and every game character "Mario". So what if the general public can't tell the difference between Samus and Mario? That doesn't mean we ban Metroid.
They're the same genre, but obviously not the same game. Is only one voxel sandbox game allowed to exist in the world? What's next, only one platformer can exist? Only one action movie is allowed to exist? Only one power metal band in the world?
What are you talking about? There are no Minecraft assets in that screenshot, even with "pixels mixed around". I play both games and can tell you that screenshot is easily distinguished from Minecraft.
You can't take Minecraft assets, mix the pixels around a little bit, and then be legally free and clear. If the public looks at pictures of your game, and they say "100% it's Minecraft", you're gonna have a bad time.