There are references linked below to PokGyms rules forum, especially about this rule
Outside of the Stadium + Midfielder as your search each turn, your opponent will not know your main win condition or game plan until it is too late
That way your opponent won't cripple your deck with a single well-placed MST
Legendary Creature - Treefolk Color tag templates(None) Kyler, Sigardian Emissary Whenever another Human you control enters, put a +1/+1 counter on Kyler
I thought it would be more chaotic, but it was all very orderly
The strength of your opponents increases as you progress, but your own Level increases also at a steady pace so you are always going to have a chance against the opponents, and whenever you battle a strong duelist for the first time, their Level is pretty close to yours, so the later duelists still offer a challenge the first time you duel against them