BW Constellation New Player Need Tips

[Quartz]

BW Constellation New Player Need Tips 75 cards, 15 sideboard 2 {Urborg, Tomb of Yawgmoth} 10 {Plains} 12 {Swamp} 24 lands 2 {Odunos River Trawler} 1 {Doomwake Giant} 4 {Nyx-Fleece Ram} 3 {Brain Maggot} 1 {Fate Unraveler} 2 {Pharika's Chosen} 1 {Athreos, God of Passage} 4 {Grim Guardian} 2 {Underworld Coinsmith} 1 {Nightmare} 2 {Dreadbringer Lampads} 23 creatures 1 {Bile Blight} 4 {Oppressive Rays} 2 {Armament of Nyx} 1 {Pharika's Cure} 1 {Banishing Light} 3 {Nyx Infusion} 1 {Font of Return} 13 other spells Sideboard 4 {Pillar of Light} 1 {Hero's Downfall} 1 {Banishing Light} 3 {Erase} 2 {Utter End} 2 {Viper's Kiss} 2 {Crippling Blight} 15 sideboard cards Notes: Need pointers for improvement. I'm a new player.