starcraft decks feel like pay-to-win

For reference; I am fairly new to the game. Though I have made it to diamond 3 with limited resources.

I don't buy spend real money on in-game things. It's just not in my budget. Now every time I go up against a starcraft deck I get completely recked. It's frustrating as hell and feels incredibly unfair pay-to-win type BS.

Anyone else agree? Or do I just need to gitgud