(Be aware that your opponent can break up this loop with a Purify the Grave or a Dissipate to remove your Runic Repetition.) Support Cards Silent Departure, Grasp of Phantoms, and Gnaw to the Bone are three of the best support cards that this deck can get its hands on
Her lack of combat buffs is not relevant for this archetype's game plan and so having those things replaced with broad utility, greater immediacy, and rate on token production is a big win
Let me explain this concept a little bit
Guilds of Ravnica Niv Mizzet, Parun , Emmara, Soul of the Accord , Lazav, the Multifarious (decklist in the comments) , Tajic, Legions Edge Commander 2018 Aminatou, the Fateshifter , Xantcha, Sleeper Agent , Lord Windgrace Core Set 2019 Sai, Master Thopterist , Goreclaw, Terror of Qal Sisma , Vaevictis Asmadi, the Dire , Chromium, the Mutable Battlebond Dominaria Teshar, Ancestors Apostle , Grand Warlord Radha , Arvad the Cursed , Muldrotha, the Grave Tide , Slimefoot, the Stowaway , Yargle, Glutton of Urborg , Squee, the Immortal , Firesong and Sunspeaker , Jodah, Archmage Eternal Masters 25 Rivals of Ixalan Azor, the Lawbringer , Etali, Primal Storm , Nezahal, Primal Tide , Zacama, Primal Calamity , Tetzimoc, Primal Death , Zetalpa, Primal Dawn , Ghalta, Primal Hunger Unstable Grusilda, Monster Masher , Dr
