This adds the effect of Krark's Other Thumb to the game in a legal way, allowing you a little extra insurance for every roll that one of these effects is on the field
Also, we have other new features in development outside of the trade feature introduced here, the message says
Different versions of the deck usually either go into red and lean more into a general sacrifice gameplan with Mayhem Devil and Priest of Forgotten Gods
Merry, Esquire of Rohan: Merry is a perfect friend for Amy, as Merry draws cards, and joins in the hasty attacks, all the way from Middle-Earth
Don't forget his powerful ability - Energy Burn - and his devastating attack - Fire Spin
They have similar restrictions to Pillar of Origins that make them less effective in gameplay than they might seem, but they're still great fixing for multicolor decks