Is it better to mill four cards and get one back for G, or to just mill six cards for B (with some help from a sacrifice outlet)

Aerialephant Aggressive Mammoth Apothecary Stomper Autarch Mammoth Avalanche Tusker Bastion Mastodon Battle Mammoth Bosom Buddy Bull Elephant Civic Stalwart Conclave Evangelist Conclave Sledge-Captain Crazed Armodon Dusyut Earthcarver Elephant-Mandrill Elephant-Rat Endangered Armodon Excavation Elephant Fairgrounds Trumpeter Frankie Peanuts Frontier Mastodon Ghalma's Warden Greenbelt Rampager Guardian of the Forgotten Hamza, Guardian of Arashin Honey Mammoth Inkshape Demonstrator Iron Tusk Elephant Ivorytusk Fortress Kazandu Mammoth Losheel, Clockwork Scholar Loxodon Anchorite Loxodon Battle Priest Loxodon Convert Loxodon Eavesdropper Loxodon Gatekeeper Loxodon Hierarch Loxodon Lifechanter Loxodon Line Breaker Loxodon Mender Loxodon Mystic Loxodon Partisan Loxodon Peacekeeper Loxodon Punisher Loxodon Restorer Loxodon Sergeant Loxodon Smiter Loxodon Stalwart Loxodon Surveyor Loxodon Wayfarer Lulu, Loyal Hollyphant Malcator, Purity Overseer Metamorphic Wurm Mosstodon Noble Elephant Oliphaunt Peema Trailblazer Primordial Pachyderm Prized Elephant Quintorius, Field Historian Quintorius, Loremaster Rabid Elephant Rainveil Rejuvenator Rampaging War Mammoth Rampant Elephant Rampart Architect Rogue Elephant Rotting Mastodon Sandsteppe Mastodon Selesnya Sentry Shellephant Siege Mastodon

Standard was the perfect home for that, but even Im most interested in building commander decks where I might be able to use some of those cards, but I can also use any other new card I read about that seems cool, and I can build for whatever power level I want, so I can make room for any cool card I want to
Narset, Jeskai Waymaster (Showcase - Halo Foil) - $90.25 Allowing you to refresh your hand at the end of your turn if youve cast plenty of spells, Narset, Jeskai Waymaster is ideal for any deck packed with low-mana cards
Regular Foils Left-Right: oil slick foil Zopandrel, foil Cultivate from Warhammer 40k , nonfoil Cultivate from Warhammer 40k