In a world where cards entering the battlefield matters more though, flicker or blink effects, which make a card leave the battlefield momentarily only for it to enter the battlefield again, become much better
Thankfully a Time Spiral Remastered reprinting should help keep the price from getting too far out of line, and if you want to save a few bucks, the Time Spiral Remastered foil is actually the cheapest printing at the moment, coming in around $7
Although other cards also do this, Leyline of Sanctity is so strong because you can play it for free if its in your opening hand
In other words, it makes your commander much more consistent
This is especially more important today more than ever because of how time has a habit of making things disappear (like dust in the wind), and now matter how unpopular the e-Reader was, its still a part of gaming history that needs to be preserved