If it later returns the creature card to the battlefield (as Oblivion Ring or Flickerwisp might, for example), the creature card will return to the battlefield as a new object with no relation to its previous existence
Eventually, we win by beating down or by our opponent giving up in the face of our endless stream of annoying value
While all of them are a blast to pilot, the first two are the easiest due to Clouds versatile equipment playstyle and Yshtolas fun card draw/damage engine
There have been so many games in which I am either throwing down sacrifical planeswalkers to try and stop them eating my other cards or throwing out artifacts and enchantments in the hope that they will be tempted to destroy them rather than attacking my planeswalker
Somber Hoverguard 2/10 Fairly weak threat that needs coloured mana and isn't even an artifact
But, mechanically speaking, its pretty good