Both of these cards replace the land that you destroyed with a basic land, but they also both compensate you in some way
MANA DRAIN While there have been many attempts to make a slightly worse Counterspell, theres only one card that can be described as a strictly-better one
Scry one, or surveil one, as explore more reasonably is when not hitting a land is a low amount of card quality
Use cards like Show and Tell or Academy Rector to cheat it onto the battlefield as early as turn two or three
Six mana for an eldrazi big mana commander sets it apart a little from some of the other options, but this is a nice little twist on what wed seen prior to its existence
Even though this is one more mana than a similar card like Slaughter the StrongSlaughter the Strong, if your deck wants more of that kind of effect, this is for you