This specific version is an error card, where the number next to Charizard's name, 006, wasn't printed
For example, if you control this creature and Anointed Procession ("If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead."), each time you create tokens, you can choose to apply Anointed Procession's effect to double those tokens first, then apply this creature's effect to create an additional Thopter token
Take a land to slow them down, take an enchantment to punish them, or just swipe a powerful creature
Sabrina will counteract this worry, stopping the opponent from ruining your evolution build-up
The Basic Darkness Energy card powers Darkness-type moves