Its a defining part of Commander, the same way Power 9 cards like Black Lotus are defining features of Vintage Cube, so it gets special treatment and isn't held to the same standard as similar cards
Many Water cards can manipulate Energy , like moving it around, accelerating it, or even locking down opponents
So, any time a land goes into play under your control, you'll exile the top card in your deck and may play it for as long as it is exiled
Straight up exiles any creature thats bothering you , and instead your opponent gets a weak 2/2
We almost never see it these days
Despite not having made much headway in tournaments in the West for quite some time, its been picking up impressive results in Flagship Battle tournaments across Japan and Southeast Asia