Try removing a few filters.
Goblin Matron If theres a broken goblin combo deck, Goblin Matron is tutoring up the combo piece whether thats as simple as grabbing Muxus, Goblin Grandee, goblin tribal spells like Tarfire, or enchantments like Boggart Shenanigans
You gain control of each creature chosen this way, and they gain "This creature can't attack its owner." Then for each aid vote, put a +1/+1 counter on each creature you control
A single well-timed board wipe can easily set this deck back to the stone age with no discernable draw engine to speak of
Get outta here: The MTG banlist Lurrus's deckbuilding restriction, requiring you to only use low-mana cards, was hardly an obstacle across many formats
Other Builds The beauty of Bello, Bard of the Brambles is that you dont have to stick to just one playstyle