Shadow Fiend + Tinker

Why this works

Trying to find enough farm for both Shadow Fiend and Tinker on one team is a huge problem. Both heroes are defined by their need for gold and solo experience to hit their timings, and they both accelerate by flash-farming waves and jungle camps. Even if they don't take the same lane, they are fundamentally competing for the same limited resources across the map. This internal conflict often means that instead of one hero getting ahead, both heroes end up starved and delayed, struggling to acquire the core items they need to function.

This extreme greed leaves the rest of the team without a strong initiator or a durable frontline. An enemy lineup can easily exploit this by grouping up early and forcing fights, knowing the team lacks the tools to absorb pressure or control the engagement. As Tinker and Shadow Fiend are forced into defensive positions, they lose map control, which in turn makes it even harder to find the farm they desperately need. The whole game plan becomes a fragile hope that the enemy gives them space, rather than a strategy to create their own.