Third Path Iconoclast, Saheeli, Sublime Artificer, and Prismari Pianist are just a handful of options to flood the board with tokens for this Izzet commander to lead into battle
For some, its the dream
As Eric has already discussed in far more interesting ways, Floodborn is going to be a major part of Lorcana's storytelling, and over the coming sets (the fifth is currently being designed) we'll see Floodborn expand and, hopefully, make more sense
Cait Sith, Fortune Teller gives you that effect in general to whatever creature you like and throws in a cheeky scry as well for your trouble
Vampiric Bloodlust and Draconic Domination are relatively easy to upgrade, but Arcane Wizardry is the most flexible
For example, if you're using card draw spells, consider pairing them with blue ramp cards to maintain card advantage