Even the spike from April 8th to April 10th alone showcased a 300% jump, which is quite large for such a small window
If you do, return them to the battlefield under their owners' control at the beginning of the next end step
For about $150 more you could build yourself a competitive control deck if you hate being on the aggro plan all the time and your budget is limited
(Then planeswalk away from this phenomenon.) The Night of the Living Dead Phenomenon When you encounter The Night of the Living Dead, each player exiles all creature cards from his or her graveyard, then sacrifices all creatures he or she controls, then puts all cards he or she exiled this way onto the battlefield
Either way, these lands are always a great pick up and will see play outside of Standard once Zendikar Rising rotates
Suppose something is dominating the board, like a nasty Stasis, that you need to destroy