The top 10 most valuable cards in this expansion set are all members of the Eevee family
These are the kind of big, splashy decks which we want to encourage people to play in the most epic of all formats
The trap cards being "hand traps" is inspired by the "Boss Duel" cards which had literal hidden effects
Gyarados's design is inspired by mythical sea serpents and dragons, which is reflected in its ability to learn an array of Water and Flying-type moves, along with a vast array of Dragon-type moves
From there, the effect of Lost Worlddestroys Petiterandon and Babycerasaurus in your Deck, allowing you to assemble the Duoterion, Hydrogeddon and Oxygeddon, allowing you to aim to Special Summon Water Dragon Cluster With a large number of Dinosaurs gathered in your GY, you can aim to Link Summon the high ATK Agave Dragon
A similar meme appears in the Bill Gates episode of the late-night engineering student cartoon