Untapping Ragost is where the real value lies, and if you havent gotten a copy of Sting, the Glinting Dagger yet (which Ive recommended many times since release) then nows the time
From there, if you're not comfortable playing a deck with so few traditional offensive options, you can opt to take copies of a disruptive low-cost creature like Deep-Cavern Bat or something with surveil and card draw potential, such as Faerie Dreamthief.
Tomik, Distinguished Advokist Unbreakable Formation Urbis Protector Aetherplasm Bruvac the Grandiloquent Cerulean Sphinx Cloudfin Raptor Compulsive Research Copy Enchantment Cyclonic Rift Downsize Drift of Phantasms Eyes Everywhere Fblthp, the Lost Helium Squirter Kasmina's Transmutation Keymaster Rogue Kiora's Dambreaker Leapfrog Muddle the Mixture Murmuring Mystic Nightveil Sprite Persistent Petitioners Pteramander Quasiduplicate Quench Quicken Radical Idea Remand Repeal Sinister Sabotage Spark Double Tidespout Tyrant Totally Lost Vedalken Mesmerist Balustrade Spy Blade Juggler Bladebrand Burglar Rat Crypt Ghast Dark Confidant Debtors' Transport
3 Olivia, Crimson Bride The central antagonist of Innistrad: Crimson Vow, Olivia, Crimson Bride is a Rakdos (black/red) commander option that can lead an aggressive and combat-focused graveyard deck