Sacrifice need opinions please

[Redrighthand]

Sacrifice 66 cards, 0 sideboard 11 {Swamp} 1 {Haunted Fengraf} 12 {Plains} 24 lands 4 {Reassembling Skeleton} 2 {Skirsdag Flayer} 1 {Thraben Doomsayer} 2 {Doomed Traveler} 2 {Falkenrath Torturer} 1 {Requiem Angel} 1 {Fiend of the Shadows} 2 {Unruly Mob} 1 {Thraben Sentry} 1 {Mausoleum Guard} 2 {Elder Cathar} 4 {Falkenrath Noble} 23 creatures 4 {Cathars' Crusade} 1 {Unburial Rites} 2 {Demonmail Hauberk} 1 {Avacyn's Collar} 2 {Lingering Souls} 2 {Faith's Shield} 2 {Altar's Reap} 2 {Gather the Townsfolk} 1 {Tragic Slip} 1 {Sorin, Lord of Innistrad} 1 {Spirit Mantle} 19 other spells Sideboard

[Redrighthand]

Looking for thoughts on this deck, seems to work pretty well but I am always looking to improve