For those looking to mix and match cards from these decks with their own, the Sapphire/Steel deck will likely prove the better option since it hinges more on having Hero cards than the more limited Madrigal family cards
Back in the day, people played Ice Age/Alliances sealed deck, and had to use the worst cards imaginable to win games
Attunement 6.5 This is a very heavy discard outlet
In the context of The Brothers War, the new keyword is excellent at providing you a way to make use of Powerstones while not punishing you for leaving all your rocks in the car before battle, which means a wide variety of Commander decks will likely be seeking to include Prototype cards in their lists
Setzer, Wandering Gambler Setzer, Wandering Gambler has hoops to jump through to flip coins on its own, but the real reason this card makes the list is the last sentence
But then there's Mana Drain, easily the set's best card