Several other cards were used as promotional cards at conventions and for other events
The original is only around $8, however, so more of a reprint, no matter how sweet the art is, is more likely to drop the price than raise it up
While these are pretty attractive in the starter decks, I would definitely look to replace them once you upgrade your own deck, and Nani is a great option if you like the powerhouse bodyguard route
Some Energy cards were so powerful that several were banned before the formats much-needed rotation
Pros : Smooth curve, lots of inkables, resilient to chip damage
As for the Red Elemental Blast versus Pyroblast question well, it wasnt always as easy as it is today (where the default of split them is the most common solution, thanks to cards like Cabal Therapy and Meddling Mage)