It wants to drag the game to a crawl through exerting and replaying characters, and doesn't have a lot of lore generation
Meanwhile you have decks with their curve really only peaking with spells that cost between 4-7 mana
Learn more: Volo's Guide to Monsters Waterdeep: Dragon Heist Dragons Ebondeath, Dracolich Long ago, the black dragon Chardansearavitriolbetter known as Ebondeathruled over the Mere of Dead Men, a swampy region situated between Neverwinter and Waterdeep on Faern's Sword Coast
NIV-MIZZET (IZZET MIZZET) Niv-Mizzet is to Ravnica as Thalia is to Innistrad, as Teferi is to Dominaria
Phabine, Bosss Confidant I dunno why, but Im hearing echoes of Pirates of the Caribbean when I read parley. (If they do Pirates for Universes Beyond, do you think parley could play a part?) Phabine, Boss's Confidant is another cat who can do tokens, both by giving them haste and by creating more through its parley
It has a very high power level on its own and is unbeatable in Limited, but it will most likely have a hard time fitting into Standard