Pretty straight forward, though might be near impossible to actually implement & balance with the way the game works.
When starting out the game, Every wave is randomized.
You pick your roll normally and you instantly get a view of each wave (with the small windows frame) only that the order randomized and the creeps are scaled down/up.
This means that you can get wave 15 creeps with magic/arcane as wave 1, making openers more versatile/non-stagnant as they currently are.
The idea forces more tenured players to test out new things and keep experimenting with whacky ideas, while making fiesta openers more prone to mistakes which in turn heightens the skill ceiling.
Would love to hear some feedback ๐