there are only a few mono-Black ways to tutor for a Swamp
Mishra, Lost to Phyrexia Mishra, Lost to Phyrexia is the melded combination of Mishra, claimed by Gix[/car] and [card]Phyrexian Dragon Engine
Tooth and Nail Tooth and Nail has a few impostors with cards like Smuggler's Surprise and Thunderous Debut, but I like the original entwine spell here
With that in mind, it felt wrong to move on without discussing one of the darkest elements of the set: the 5 compleated planeswalkers painted by Chase Stone
How It Plays Openers: Tipo or Pleakley to set up an early ramp, then Pluto or Jasmine to stabilize and sift
Its a complete Commander staple, and you need to think of a reason not to include it in the deck rather than a reason to put it in in the first place