Though not the first Pokmon cards ever created, with sets like the Carddass releases coming before, unlike prior issues, the 1996 Japanese Base Set was a true TCG, whereas Carddass was meant for consumers to collect and learn about the characters
This Melmetal just does more damage at 4-5 energy and has 50 more HP, but Dialga has no damage cap, only gives 2 prizes, and has an absolutely insane Vstar power
For this reason, its generally a good idea to mostly include creatures that cost one, two, or three mana, that way you can start attacking with them early on in the game
Weakness / Resistance / Retreat Cost: W / None / 1
We know Slivers did not originate on Rath, where this particular Queen resided, so we can surmise that there are others
Key payoffs for Felothar are creatures like Basking Broodscale and Scurry Oak that produce tokens when counters are put onto them