By putting it as a specific moment in time for the sets story, it makes it significant
Since Ugin starts with seven loyalty, you can safely exile all colored permanent with six or less mana and still keep Ugin in play to clean up the board next turn
Land destruction isn't common in Commander, and there's only a few cards that let you sacrifice them, so what's the point
It was never going to get the top spot, but for a card that was originally printed in 1998, this has held up well over the years
Dont overload pockets one card per slot (or two back-to-back if needed, but only for lower-value cards)
When you do, search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle and you gain 1 life