They said Shard wasn’t good.

too slow, not enough answers, too many useless units. There is no play basically, just throw cards and hope the enemy doesn't kill them, Kappa.

You should use more proactive cards: removals, draws

My suggestion:
out:
waystone infuser;
hunting pteriax;
sandspout mirage;

add:
permafrost;
bringdown;
excavation assistant