You do this to prevent both players just continuing to draw themselves, out which is going to happen
Misleading Signpost A mana rock version of Portal Mage, this card can easily slot into any deck that plays Blue and be excellent against anything other than a token swarm (and even then it might make all the difference)
Repeated resurrection of huge threats like Avacyn, Angel of Hope, Kokusho, the Evening Star, or Vorinclex, Voice of Hunger for a mere 3 mana is simply more than many pods can bear
Cards like these dont always see competitive play, but they also typically pay for their high-tempo potential with negligible impact in the late game
Cemetery Puca Cemetery Pucas ability to become anything that dies is a very interesting one, especially for just 1 mana
With a unique planeswalker design, shes a card advantage engine thats a great play on turn 3 and on turn 8, where she can turn two lands into Thundermaw Hellkites to finish off your opponent