To be silly, I usually start the game by randomly selecting one general from the choices below (I "mill" until I find a general, then reshuffle).
Its first two chapters are less likely to completely overturn the game in draft, but its transformed side, Vessel of the All-Consuming, is very powerful
If you're playing Aristocrats, Mill, or Reanimation, or can produce infinite black mana in some way, he's likely going to be one of your win conditions
Similar to the Mox artifacts, Black Lotus costs zero mana, so you can play it on your first turn along side a land, but adds three mana of any one color when you sacrifice it
Mulldrifter sees a lot less play in control decks than Think Twice but still makes appearances in them while getting most of its play from mid range decks
Whats the Maximum Number of Rares in a LotR Special Edition Collector Booster