Occasionally a cornerstone of Pioneer propping up a mono-green deck, any mono-colored deck that plays with devotion in mind can leverage Nykthos for an incredible mana advantage over their opponents
This means that Emrakul can't be hit with Erode, On Thin Ice, Blasphemous Act, or Banisher Priest, and basically is only vulnerable to sacrifice effects
Grismold, the DreadsowerGrismold, the Dreadsower gets really large, really quick, Sarulf, Realm EaterSarulf, Realm Eater does as well, and Vraska can immediately turn all that mana into Treasures with fun abilities
Any landfall deck will want to run as many fetch lands as possible as these will increase the number of Landfall triggers since using a fetch land essentially means double Landfall triggers for your land per turn
This means that my cards sat in the box for several months before PSA had a look
Affinity Pierre Canali, 1st Place PTColumbus 2005 Rookie Pierre Canali showed the entire Pro Tour the front of his hand