This does come with a major downside, however, in that you have to sacrifice a Creature every upkeep or sacrifice Contamination
Dragonite's role in the mainline Pokmon games has been pivotal from the outset, often serving as a powerful ally or a formidable opponent
Slide in Blightbeetle and watch them cry
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
Counters, noncombat damage, targeted spells, you name it
At that time, they were made legal for Legacy and Vintage play which also translates to Commander play in this day and age