Level up is an extremely powerful late-game mechanic because it's really hard to flood out as long as we have at least one level-up creature
Print quality, as you can see, is variable but the text can be crisp: they tried to make the Charizard look good (its still terrible), so be careful in case youre inexperienced with Base set and first editions
Of those apples, there are a few that I'd like to highlight as being the very best: Karplusan Minotaur is another support card for the Coin Flip archetype
While you won't find Arbok's best cards in some of the most expensive Pokemon TCG sets, it has a few appearances in vintage expansions, including Expedition
And cards like Attune with Aether do nothing to consume energy, while Venturing always provides some benefit, so thats a point for Venture
They are inexpensive and provide good protection against scratches and bending