You may not need an advanced gaming keyboard if you are a causal gamer. Things are different if you are serious about improving your results though. The Dygma Raise keyboard is an ergonomic split keyboard that goes easier on hands and lets you adjust the width between its halves.
The keyboard has an open source software that allows you to create different layouts. The spacebar is replaced with thumb keys. You also get a palmrest to elevate your wrist to have a more comfortable gaming experience.