If the Unearthed creature gets exiled by a different effect than Unearth, that effect will work as intended so if the creature gets put into an Oblivion Ring and then the ring gets destroyed later, the creature will come back to battlefield again as good as new, as if it had just been cast from your hand
Lord Windgrace Lord Windgrace is a powerful planeswalker commander and one of the strongest Jund commanders, perfect for a lands build
That is to say, we're ignoring the Secret Lair decks (with all apologies to that one fan of Everyone's Invited )
Adapting your strategies to these new additions can give you an edge in competitive play
Sure, a 6/7 vigilance reach dork is a pretty limp threat but if you view it as a free card then bring it on
It is one input among many, and hard floors from Game Changers or combo detection can override it