Its about preserving the cards that mean the most to you
As such the costlier the card the more you have to want the effect and I can't see that being the case for this one
Hell, Rising Waters decks used it, even though they restricted your ability to untap lands and activating the Idol taps them all
Typically the trend has been: the worse your matchup against the graveyard decks are, the more likely you are to have high-impact answers like Leyline of the Void
No more Mentor of the Meek nonsense, this Modern Horizons 2 card almost single-handedly bridged the gap between old and new white decks, allowing them to compete in an age of Magic defined by mana production and card advantage
Scrying is a great way to make sure that youre putting the cards that you want in the right place, and River Song punishes your opponents who scry, surveil, or otherwise search their library