In a well-built, low-to-the-ground deck, Dark Confidant is effectively a Phyrexian Arena that swings for two--with a low curve and 35-40% of your deck being lands, you'll average out to taking one damage per card
Minsc was introduced in the Baldur's Gate video games and has appeared in a variety of other places
In Commander his deck should contain plenty of red cards with high mana values and casting cost reduction, such as Blasphemous Act or Volcanic Salvo - you want cards that you can pitch to get a huge Blazing Shoal pump, but which you also have a good chance to cast normally
Just remember, you can only play one supporter and one stadium card per turn
Even better, the second ability triggers off reanimation effects that target other players graveyards
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