If the nonland card you hit isn't one you want to cast, you can put it into your hand
Commander Commanders are the heart of the Commander format, and grading your favorite commander is a great way to show it off
You can do all the above in any order you wish without ending your turn
Instead of giving all players little benefits over the course of the game, the Masters of Evil gives all players smaller negative effects like forcing all players to sacrifice a creature or to lose some life
Now with that out of the way, let's go through some specific cards
Thanks to the slower nature of Commander, you should have ample time to set the combo up, as well, but it will have a smaller impact on the game thanks to having four opponents