So first time I played arena, the bot auto drafted and got to 7 wins. I have like 25 wins in a arena with a decent winrate. However I never had as good results. I've lost with 0 wins both on auto draft, and manual draft. Am I fighting pros or something? or just getting really unlucky? how do I improve the winrate in arena? Also, what's better? auto draft or manual draft. I also use valuecard for drafting manually.