I just want a decent Darkness deck since I pulled the legendary and dont want to disenchant

you could try the alarm bot deck. which includes 2 alarm bots, 2 of the poisonous 1/2 taunt and tons of big stat minions. more luck based than this patron deck. so gl.

edit: after so many games I finally got turn 4 combo. just gotta be stupid lucky

if you get lucky to roll yshaarj on barnes into rag. keyword being if, because its not easy getting that roll