They also admit that they may have "overpaid a bit", but explain that they're not all that bothered as they're not buying the card to immediately flip it
All of that is for two mana as well, meaning you can do this every turn from turn three onwards - or even earlier if you can generate the mana for it
Later on in the game, this becomes easy, so Tangle Wire decks need to finish off their opponents fast or get enough advantage that having a few dead cards doesn't matter
As for where Firespitter Whelp might see play outside of kitchen table Magic, well we doubt there'll be much call for him in Standard, but he's probably going to be a menace in red/blue Limited decks
Ignite a Raging Inferno with Mega Charizard X ex
Once you know exactly what youre holding, it gets much easier to price it right