While some cards are common and may not be worth much, there are certain cards such as secret rare cards, holographic cards, ultra rare cards, and more which can be worth a pretty penny
Beasts are exactly what it says on the tin: the wild creatures of the woods that dont quite fit into the usual archetypes (Bears, Ox, etc.)
The modern set structure runs on that belief, stacking Rainbow rares, secret rares and alternate arts above the base pull precisely because buyers pay more for the scarcer tier
Here's the original design: Gingerbread Golem (common) 1 Artifact Creature Cookie Construct Haste CARDNAME can't be blocked except by creatures with haste
On Christmas eve I was visiting my brother and got a message from the seller: I can do $1,300 cash today
Damaged: bends, water damage, tears, ink, or anything structural