Land is an important part of MTG, and the reason that these ones cost so much is that there is no downside to playing them
You get to apply some pressure with this body and when it eventually dies it will already have done its job and now youve got a little saproling token as a compensation
Elspeth might actually rise from this price at the beginning, so be aware
Rarity: Allows you to search for cards of any specific rarity
BPhillipYork: To me this seems like a pretty hilarious way to run something like an Eldrazi deck, "hop in we're going to warp reality." 4 Colorless and a crew 1 means you can get it out quickly and it will let you keep ramping until you have enough mana to bring out the huge Eldrazi titans, which seems like a fun, if not good, deck to build around
On a few occasions, Ive also been fortunate enough to have a Shadowspear on the board when it was cast