They spend a good chunk of the game catching frogs in Qu's Marsh (there's even a golden frog sidequest), while their main battle ability is actually "Eat" - consuming weakened enemies to learn Blue Magic (enemy skills)
Cards will also no longer to need to be exchanged - instead, players who open a Pack and get a duplicate card will automatically earn some Shinedust in the process
Delirium At the beginning of your end step, if there are four or more card types among cards in your graveyard, transform this enchantment
That said, you may have a harder time getting this one approved in a Rule-0 conversation
This puts it in 1HKO range from our beastly dragons, their EX counterparts, and many others
You can look at the Limit Break precon's deckllist by clicking here