I really like that Caesar, Legion's Emperor produces its own sacrifice fodder, so you only need one good card to feed into it before things really get rolling
Like the city, weakest at its foundation
Sacrificing a 1/1 creature to draw two cards is fantastic, especially at the cheap rate that Skullclamp offers
Abigale, Eloquent First-Year Abigale, Poet Laureate Balin, Loremaster Bello, Bard of the Brambles Bifur, Melodic Rider Bombur, Gentle Dreamer Chong and Lily, Nomads Fli and Kli, Joyous Gylwain, Casting Director Huatli, Poet of Unity Kalain, Reclusive Painter Kitt Kanto, Mayhem Diva Korlessa, Scale Singer Moku, Meandering Drummer Narci, Fable Singer Nori, Teller of Tales Ori, Keeper of Songs Ori, Plate Stacker Orysa, Tide Choreographer Psemilla, Meletian Poet The Mary Janes The Wandering Minstrel Three Dog, Galaxy News DJ Tom Bombadil Totentanz, Swarm Piper Yisan, the Wanderer Bard Zaffai and the Tempests Zinnia, Valley's Voice
According to Magic Shroud rules, they allow players to target creatures or players with it and remove it