The duels and tournament play allowed you to play with any deck you built, or the pre-made decks that came with the game, against any one opponent, or you could run the gauntlet and play a tournament
Best of three matches and good deck design both help reduce the imbalance that random distribution of lands can bring to the game but it is still a frustrating part of it
They were 2/1 for WW or BB, had protection from the opposite color and could be pumped or given first strike
Doctors companion (You can have two commanders if the other is the Doctor.) Wicked! Illustrated by Colin Boyer Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
Setessan Champion - Another engine piece that draws you through your deck and becomes a massive threat on its own
In fact, its really just obnoxiously overpowered to the point that I wonder if whoever designed it learned enough lessons from Chulane, Teller of Tales