The Lapras from Crown Zeniths Galarian Gallery is a stunner, all sunlit ocean depths, and cards like the coral-reef Horsea, Mantyke, and Wiglett capture that peaceful underwater world
From 1st edition Charizard to Metwo, many of the rarest and most expensive Pokmon cards outside of old promos and specific curiosities hail from this set, since the vast majority of packs were ripped by sticky-fingered children, whose only concept of a sleeve was something to wipe their noses on, and who weren't thinking about the long-term value of these cardboard rectangles (honestly, good for them)
Whenever Smaug attacks, he deals damage equal to the number of treasures you control to any target, and at the beginning of your upkeep, create a treasure token
This is particularly valuable in decks that rely on powerful late-game spells
Ken embodies green
This is best played with a group of friends and a lot of conversation