For instance, I can tap [c]Windswept Heath[/c], pay one life, and then sacrifice it to search up any plains or forest card and put it onto the battlefield
Three mana is relatively cheap for removal, and exile is relevant enough to give it an edge
Plan B(ombs) With enough control cards for the ground, you can get in with fliers if your Mill plan isnt working out
On top of that, each creature you steal becomes a mercenary, meaning you exile more and more cards as turns pass, especially when you run a mercenary-themed deck or effects that focus on stealing creatures from your opponents in other ways
This is more often the case in Aggro and Combo decks
While losing three life may seem like a meager amount in comparison to the 40 each player starts with, that's where our background comes into play