These little fiends can render plains incapable of producing white mana, which is just a vile ability that doesnt exist in any other creature against any other type of land
As for what you'll have to choose from should you get the opportunity to buy items from The First Chapter re-release, there are a few items up for grabs for those of you in the US
(An exerted permanent wont untap during your next untap step.) Illustrated by Piotr Dura Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
Worldwake Fat Pack Magic the Gathering MTG Reading from left to right, there's a handsome storage box, the Worldwake Player's Guide (featuring a familiar Planeswalker on the cover), forty Zendikar basic lands (the kind without the text box), the wrapper, a sample chapter from Robert B
Im personally thinking of a Modern Infect storm build that made the rounds a while ago, playing off of tutoring up Venerated Rotpriests to the field as quickly as possible and then hitting them with as many Ground Rifts as possible