Need Deck Help with Mister Negative Ohrzov

{"ops":[{"insert":"Well you have a 7 mana commander and only run 33 lands - never ever play less than 38 lands if your commander is 5 cmc or more.\nYour ramp package looks solid, maybe add "},{"insert":{"card-link":"Dark Ritual"}},{"insert":" / "},{"insert":{"card-link":"Land Tax"}},{"insert":" / "},{"insert":{"card-link":"Lotho, Corrupt Shirriff"}},{"insert":" \n\nConcerning protecting your commander; move away from expansive cards like Indestructibility and towards cheap spells like "},{"insert":{"card-link":"Ashnod's Intervention"}},{"insert":" / "},{"insert":{"card-link":"Restoration Magic"}},{"insert":" or "},{"insert":{"card-link":"Mother of Runes"}},{"insert":" / "},{"insert":{"card-link":"Giver of Runes"}},{"insert":" \n\nBesides that, the deck desperately needs more card advantage, which in black would also allow you to fast track the gameplan of using your life as a ressource before skipping out on the bill. Cards like:\n"},{"insert":{"card-link":"Greed"}},{"insert":" / "},{"insert":{"card-link":"Ripples of Undeath"}},{"insert":" / "},{"insert":{"card-link":"Dark Confidant"}},{"insert":" / "},{"insert":{"card-link":"Keen Duelist"}},{"insert":" / "},{"insert":{"card-link":"Bolas's Citadel"}},{"insert":" / "},{"insert":{"card-link":"Doom Whisperer"}},{"insert":" / "},{"insert":{"card-link":"Stinging Study"}},{"insert":" / "},{"insert":{"card-link":"Erebos, God of the Dead"}},{"insert":" / "},{"insert":{"card-link":"Stargaze"}},{"insert":" / "},{"insert":{"card-link":"Unholy Annex // Ritual Chamber"}},{"insert":" \n\nLastly some cards that allow you to reduce your life total: "},{"insert":{"card-link":"Bitter Triumph"}},{"insert":" / "},{"insert":{"card-link":"Snuff Out"}},{"insert":" / "},{"insert":{"card-link":"Toxic Deluge"}},{"insert":" / "},{"insert":{"card-link":"Command the Dreadhorde"}},{"insert":" / "},{"insert":{"card-link":"Phyrexian Reclamation"}},{"insert":" and "},{"insert":{"card-link":"Zero Point Ballad"}},{"insert":" (pay as much mana/life as possible with commander on board, reanimate your commander and hand the lifeloss over to an opponent - \"I whipe your board and you're gonna pay for it\")\n"}]}

{"ops":[{"insert":"id also try and swap some of those 3 drop mana rocks for something to go with my last comment, \n"}]}

{"ops":[{"insert":"dark ritual would be a first add if you dont have it but it beingin black id maybe try and find some sac outlet to help pay for it, the best ik of are"},{"attributes":{"bold":true},"insert":" "},{"attributes":{"background":"#ffffff","color":"#191919"},"insert":"Ashnod’s Altar Phyrexian Altar and Phyrexian tower but idk your price/if you proxy or not. you can also use tokens gens being in B/W like Bitterblossom + Skrelv’s Hive + Dreadhorde Invasion are good cause they also lower your life for when you switch it but you can also balance it out if need be with the lifegain in white; and Definity swap out luminate primordial for revel in riches to help you boardwipe and not give your opponents lifetotal and help may for things. hope this helps <3."},{"insert":"\n\n\n"}]}