Barbflare Gremlin is a mashup of both of these as a creature
1/1 Saproling creature, for Fungal Plots, Saproling Migration, Saurian Symbiote, Shroofus Sproutsire, Sporemound, Spore Swarm, Tukatongue Thallid, Undercellar Myconid and Verdeloth the Ancient
I think 2-3 copies of City of Brass may ultimately be the right number though, especially the more spells you play that require double white in the casting cost
The rest of our deck is draw spells, a lot of which are at instant speed so we will leave our mana up so our opponents have no clue what to expect
Rather than place a tempo restriction on the aggressive decks, this places a deck building restriction instead
Shaman of the Pack is one of the best payoffs for running elves in formats like Pioneer