For starters, any creature that replaces itself on death is pretty solid
Venat, Heart of Hydaelyn / Hydaelyn, the Mother Crystal If you need more legends-matter cards, take a look at Venat, Heart of Hydaelyn
The fake ones are non-holo The first fake one has three Normal Energy Symbols instead of a Lightning and two Normal Energy Symbols for the attack Overspark The second fake one has yellow borders instead of black The entire layout of the left one is the same as the Japanese version, instead of the English (here is a picture of the real Japanese card as comparison) The two on the left are real (with light and darker purple backgrounds in the artwork - I also have a real one with blue background which isnt in the picture above) The holo I dont have to discuss
Charizard, predictably, was the marquee card of the entire product line
Furthermore, five mana is a fairly heavy cost in just about any format where sweepers or straight-up removal spells can do more immediate and/or permanent work in dealing with your opponents' threats