The NHL offseason has more suspense than a Benoit Blanc mystery.

Every small trade could lead to bigger things. Every player who reaches free agency could stay or go -- and if they go, they're taking someone else's roster spot that's now seeking a new home.

But there are some transactions that can literally reshape the landscape for trades or free agency. These are the falling dominoes we're all waiting to hear, leading to elaborate reactions from across the NHL to their magnitude.

Here are four scenarios involving superstar players that could reverberate all summer and into future offseasons. We're not saying they're going to happen, but we'll explain why they could happen. And if they do? Buckle up.

The New York Rangers sign Jake Guentzel