Standard players gain new control and ramp tools, while Commander brewers are already testing Station engines
In Pioneer, it enables a powerful combo-esque deck where you discard Parhelion II to your dino and use Greasefang, Okiba Boss to cheat it into play
Whenever Kefka (clown side) attacks, each player must discard a card, and you can then draw a card for each card type discarded
Into The Inklands added a lot of cards from the Duck Tales series, and Scrooge got two character cards
Once the engine starts, its easy to snowball into a win
It also makes you the monarch when it enters the battlefield (in Conspiracy drafts, the "monarch" gets to draw a card at the beginning of their end step, as well as some additional perks)