Yet again, a valuable Bloomburrow card happens to be a mythic rare creature, once again Legendary
They are artifacts and some might be able to sub in for the combo you're thinking of, but there is still substantial difference from the list below, thus I kept them separate
Balance the deck with 36-38 lands, 8-12 ramp, 8-12 card draw, 8-10 removal, 2-4 board wipes, 2-4 win conditions, and 25-30 synergy cards that support your commanders plan
Two mana for 3 damage at instant speed is the gold standard on its own, so if you can find both colors of mana regularly this is like starting the average game at 22 or so if you can pack four copies
Players like me are settled in and comfortable with our preferred decks and strategies
These all give Jace, Vryn's Prodigy a run for its money, and are often better, but we'll lump them in as a single unit right here