Good twists are enormously hard to come by, and I think the best ones are earned ones. The idea that a story can take a left turn on you, it's easy to do, but it has to be done very, very carefully, or else you risk losing the audience's trust.
Good
Twists
Enormously
Hard
Earned
Idea
Story
Left
Turn
Easy
Risk
Losing
Twists Losing
Enormously Risk
Hard Easy
Earned Turn
Idea Left