Most of your characters have good stats for banishing their rivals in challenges, and if they don't there are easy ways to pump them up, either with a song, or as the side effect of a song
Piglet - Sturdy Swordsman depicts that courage, outfitting him with a wooden sword and shield and a colander helmet
If we're deriding FCA's Rhystic Study, we should remain consistent with Ancient Copper Dragon
For an early glimpse at Lorcanas future, take a look at what we know about the next set, Reign of Jafar , so far.
Edgar, Master Machinist Wizards clearly went out of their way to make Edgar, Master Machinist fair, between the once-per-turn clause and the fact that the artifact it casts enters tapped, but I refuse to believe that we cant crack this like an egg we should probably start with Krark-Clan Ironworks