Better yet, Future Sight effects actually let you play from the top of your library, serving as a form of card advantage, though usually with stipulations
If you stack the triggers correctly, you can sacrifice a Butcher Ghoul with Yawgmoth and return it to the battlefield before targeting it with Yawgmoths ability that you just placed on the stack, removing the +1/+1 counter the Ghoul gained, making it ready to die and return again
The deck isnt a threat to win the game on an early turn
In an aggro deck, you can play Prince Eric as a lore generator and just force your opponent to deal with him, knowing that when they do you get to banish something of theirs
Courser of Kruphix Credit where credit is due, but Courser of Kruphix isnt the green card it used to be