Ramp spells are incredibly potent in the Commander format of Magic: The Gathering. Given that it is a multiplayer format, it's imperative that your land drops are consistent, and it helps if you can ...

UPDATE: Amazon has put the price up of the four-deck bundle. You're still paying under $40 per deck, but it's now up to $154.47. It's still a good deal, but not quite as good as it was a few hours ago ...