This last group is also easily identified by the SP logo at the bottom left corner
In a mono-color deck, it's impossible to be color screwed (assuming you're not playing an absurd amount of colorless lands for some reason), and in a two-color deck, it's pretty unlikely that you'll get color screwed with a properly built mana base featuring a reasonable number of dual lands and other types of ramp / fixing
The most popular colors for these types of decks are white, red, and green, since they have the best aggressive creatures
The Pokmons meant to be in an intimidating pose, but the perspective just makes it look like Typhlosion has a teeny tiny head
Non-serialized versions of Traveling Chocobo are mechanically identical to serialized variants
The final value of this Secret Lair is undoubtedly going to be much higher, but since theyre based on basic lands its hard to say exactly what itll be worth