Okay, here we go, forums are a bit backed up, these are my thoughts:
Holy walls of text, Batman! You've got giant paragraphs that really should be broken down into smaller ones based on similar information, with proper transitions. Not doing so makes it look like the author doesn't know how to properly partition their information, and as a result looks sloppy because it's kind of a childish way to present a report.
Bunch of small issues too, such as:
- Site names should follow the form Site-XX, with capitalization and hyphen.
- There's no reason for the containment to be 5 x 5 x 3 meters exactly. Also, 5 meters is about 16 feet, which is almost the height of a 2-story building. That's a big cell.
- I really don't think that many Level-4 personnel or any O5 Councilmembers need to be involved at all with the containment. They've got more important things to do. Also, having that many important people need to weigh in on a thing makes the audience skeptical, and can come off as the author having an excessively inflated idea of how important their SCP is in the grand scheme of things.
- Don't refer to an object as "the SCP". In-universe, "SCP" refers to the containment procedures; SCP object is the thing in containment.
- Give the reader a footnote or something in parentheses for "lagomorph", since most average people would need to look that up to understand it otherwise.
- Don't refer to an individual as a "subject" unless you've established the experimental protocol they're being subjected to. If there's no research design or observation ongoing, they're not a subject of anything and shouldn't be called such.
- Use possessives correctly. You're missing at least one apostrophe.
- The censoring is a little sloppy—I recommend reading over this guide on interesting expungment for some tips on improving your writing for the censored material.
SCP-XXXX possesses the ability to manipulate probability within visible range of itself-in layman's terms it can "create good or bad luck" on desire.
Boring. We've got tons of attempts at this, usually in the form of dice, horseshoes, clovers, and so on. Mixing it with a humanoid with animal-like properties (I get that it's a rabbit, but it just seems cheesy at that point) just makes the concept harder to work with. Humanoids are actually among the most difficult types of articles to write successfully; if you're really set on writing one, then first take a look at the humanoid writing guide if you haven't yet. Also, maybe don't name your humanoid something that's too commonly-used in popular media. There's a Teen Titans villain with the same name.
I recommend getting the base idea polished up in the Ideas and Brainstorming forum before you try fixing the draft. Go to that forum, post a quick summary of the concept you want to write up (don't link the draft unless someone asks), and reviewers there can help you make the idea more interesting and give you some advice on structuring the eventual article for smoothness of reading and narrative.