You need to take into consideration that King Krush is from the Classic Set which exists to display the themes of the classes.

This card is counter-intuitive. You gain armor so you weapon gains attack, and then when you face tank your weapon attack.

Even with Taunt this card isn’t very good. It isn’t overstatted at all and has a drawback. I get that not every card in a set needs to be a 3-5 star card, but why are there so many unplayable ones?

Evolve*

Evole Shaman isn’t a bad deck by any means but it definiately hasn’t been Tier 1 in this expansion.