Spirit Breaker + Techies

Why this works

Charging a hero into a stack of Proximity Mines is the basic idea here. Spirit Breaker provides the guaranteed delivery service with Charge of Darkness, and the stun on impact ensures the mines detonate before the target can react. This initial burst is often enough to secure a kill on its own in the early game. If the enemy somehow survives, Techies can follow up with a Sticky Bomb to prevent an escape or even Blast Off! for a silence and more damage. It's a simple but effective ganking plan that can be set up anywhere on the map.

This duo forces the enemy team to play reactively from the start. They have to constantly worry about both global ganks from Spirit Breaker and the hidden mine traps from Techies. This often leads them to burn a lot of gold on sentry wards and play more grouped up than they'd like, giving your team map control. The combo does require some coordination to place mines in the right gank paths, and it becomes less effective against teams that stick together late-game. It provides a good early advantage but doesn't guarantee a win.