Professor's Warning
As painful as that may be, there are cards you can run to help you bypass these minor upsets by manipulating the cards you draw
Which, it turns out, is a great thing to say to get upvoted on reddit while you buy a bunch of new cards
Magic is at its best when there's a little unexpected chaos, after all
Its also something that Moraug does well, because if a land enters the battlefield under your control in your main phase, you get an extra combat phase after it, and all of your Creatures untap at the beginning of that combat phase
Theres also some small overlap between self-mill and counters decks, as seen with Amzu, Swarm's Hunger or Centaur Vinecrasher, so I imagine quite a few decks are happy to host Obsessive Skinner