Dragonite's role in the mainline Pokmon games has been pivotal from the outset, often serving as a powerful ally or a formidable opponent
That would give us an expected value that looks something like this: As you can see, when you throw the Ultimate Box Topper into the mix (even priced conservatively), the expected value of an Ultimate Masters box looks even better, coming in at just over $425, and even discounted 15%, it's still $363nearly $100 more than you'll pay for a sealed box
This does come with a major downside, however, in that you have to sacrifice a Creature every upkeep or sacrifice Contamination
At that time, they were made legal for Legacy and Vintage play which also translates to Commander play in this day and age
When a new set comes out or an expansion is released, some older cards become illegal in official tournaments because they no longer fall within the bounds of what's considered acceptable by official developers