Youre also on a given plane doing battle, so you could be on Alara at a given moment but then planeswalk to Tarkir, and after that planeswalk to Ravnica, and so on
These include cards such as Kozilek (card draw, counter), Deepfathom Skulker (card draw, unblockable), Sire of Stagnation (card draw), Oblivion Sower (land fetch), Desolation Twin (creature token), Drowner of Hope (creature tokens, tap), World Breaker (removal), Hideous Taskmaster (steal, annihilator), etc
If you're the monarch, each of those players mills ten cards instead
Monks are often white, blue or red, and represent intelligence and discipline
We just leave Post-It notes there, so people can leave comments as they walk by while walking to lunch or something like that. Verhey explained that its an organic way to get all sorts of feedback from random people at Wizards of the Coast