Determining their actual value is set as any amount that their owner believe they are worth, so it's difficult to place them appropriately.
"I sell two or three a week
Strategically utilize Pokmon Weakness, Resistance, and Retreat Cost to gain an advantage
Any "as [this permanent] enters the battlefield" or "[this permanent] enters the battlefield with" abilities of the copied card will also work
I was looking through a few archetype and trying to see if any of them is of reference to anything in real life, I found this archetype called The Empowered Warriors/Summoners, the "archetype" has like a weird Warrior, Dragon, Spellcaster normal monster support, I'm guessing those three types are based on Yugi, Kaiba and Joey
"How is the MD2 hash function S-table constructed from Pi?"