It works particularly well in this archetype because leave the graveyard cards are often triggered by other things that generate an advantage: You might return creatures to your hand with a Regrowth, reanimate a creature, play lands from your graveyard, etc
For medium and small humanoids these are "tiny" but in Bloomburrow the things may be different
Cards like Lotus Cobra and Tireless Provisioner may not be traditional ramp spells, but they serve a similar purpose in decks that want them
This land card can tap to produce one colorless
Every book is a doorway to enlightenment
The price you pay for a deck scales down based on the cards you already have in your collection, so it might be worth your time to actually craft the commons and uncommons from a Brawl deck you plan to buy before you actually purchase it , saving yourself some gems in the process