Looking at the themes dropdown page can help you figure out which cards are going to be played across commanders from multiple precons and identify cards that would have gotten lost in the noise generated by Magic players running the same staples in every Jund deck, for example
Could a non-Game-Changer do the same job
Just imagine having Omen of the Sea, Peregrine Drake, Mulldrifter, Cloudblazer, and ten other ETB cards in play
So if you want some for your collection or are looking for a good cheap investment, the enemy buddylands are where it's at on Magic Online
haha Blue-Black Sephiroth Deck If the Red-White deck is all about attacking with creatures armed to the teeth, the Blue-Black deck is all about having an answer for just about whatever your opponent throws your way
Fun fact: With the release of Planechase in 2009, the card Fractured Powerstone was also released, which allows us to tap it to roll the planar die without paying additional costs