With more card draw, you can control games with cards like Organic Extinction, play huge spells like Wake the Past, and get your big creatures and planeswalkers like Brudiclad, Telchor Engineer and Ugin, Eye of the Storms more reliably
Many attackers are strong because they can use Double Colorless Energy so effectively
This is excellent for making your creatures better fighters but also gives you particularly good protection from most board wipes and makes her a pain to get rid of too
I think that there is a possibility of cutting this card and Honchkrow, so that you can play other Dusknoir
You dont even necessarily need the direct second spell payoffs like Station Monitor and Illvoi Operative, although they will make your nut draws significantly nuttier
Almost all your creatures want you to attack, so youre losing on some attack value if youre holding anything back as blockers