Purphoros costs more than the previous enchantment, both in cmc and its activation, plus you're limited to sneaking in only red and artifact creatures (no Ulamog, the Ceaseless Hunger shenanigans!)
For example, Tovolar, Dire Overlord (visible in the gallery above) will make it night if you control three or more wolves/werewolves at the start of your turn, and even has an extra ability specifically meant to allow past werewolves that don't automatically change with Daybound or Nightbound to transform along with it
You may have mixed feelings about this, and that's understandable
Charizard is, without a shadow of a doubt, one of the most popular Pokmon to ever be depicted on a trading card, so many collectors are always on the lookout for incredible new Charizards to add to their collection
He might be able to help you cheat out some powerful items, but the subpar statline hurts, as does the fact he's not inkable