Vehicles were always a support mechanic, and we tried making it a focus for a set
Theres also a frog in the image
The ability for a Trampling creature to grow itself is a great piece of self-synergy, and interacting with the graveyard is a powerful upside stapled onto an already-powerful card
Furthermore, the strategy is incredibly consistent because of Miraidon ex's Tandem Unit ability
If they play one, thats fine, but that one had better be Elixir of Immortality, because otherwise I can use Kolaghans command to make her discard Elixir
To this, we must add OP01-054-xdrake who has undoubtedly found his best deck, and OP06-036-ryuma, who with the same effect are together in charge of keeping the opponent's field clean with redundancy thanks to the cost reductions of the Black color and the ability to rest the opponent characters of Green