It even works on your opponents turns, allowing for some surprise blowout casting
For example, if a Lakeside Shack and a Breeding Pool you control are entering at the same time (perhaps because of the effect of a spell like Scapeshift), your life total is 14, and your opponent's life total is 20, the Lakeside Shack will enter tapped whether or not you choose to pay life as Breeding Pool enters
Look for cards that can repeatedly untap themselves and/or sacrifice things for free like Blasting Station and Ashnod's Altar to establish combos, since free or close to free is important for many loops
And if it should perish, the creature is exiled instead
Alternatively, you can always ask friends for help
2 Slip Out The Back Be Right Back It's slightly disingenuous to call Slip Out the Back a removal spell since it's primarily played as a means to save one of your own creatures