This turns off common red removal like Torch the Tower and Pyroclasm
Its going to take some work, but he goes into great detail on the strategy here
There was still plenty of fun to be had with Planar Chaos design, from the playtests where every card was a reprint in a new color to the many offsites at Mark's house where we lounged around, browsing through Magic Encyclopedias and throwing out idea after idea about cards that would be exciting to bring back in a new color
With ~8 SRs and ~2 Parallels per box, the expected value of a box is largely determined by the price of individual SRs and Parallel cards in that set
DEBT is an acronym to help you remember the four things this mechanic protects against: Damage, Enchanting/Equipping, Blocking, and Targeting
Waiting a week risks the price softening as more cards hit the market from other sellers