Marketers do this because if they make the product look scarce, then it makes you, the consumer, think everybody wants that, its in short supply so that must be a really good product
The latter is a 1/4 defender common for four mana that cannot swing but rocks evolve to rock the block defensively as you have loads of stuff with power greater than 1 to grow it over time into a big threat
It serves as a functional reprint of Walking AtlasWalking Atlas and similar cards, enabling a host of landfall-related combos involving Retreat to CoralhelmRetreat to Coralhelm
Each mechanic is easy enough to understand, and you can build a deck around them without having to think too hard
Moreover, the deck is centered around black and blue, with only one Lightning Strike as a red splash
For those looking to have a display of nostalgic cards without paying vintage prices, this could be a great expansion