I would be fascinated to see how Vengevine stacks up against Mother of Runes and Serra Avenger or Goblin Lackey and Gempalm Incinerator, but my impression is that decks with green one-drops have never been that great against fair creature decks without some sort of over the top finish, whether its a reanimation effect or a Natural Order or something else that puts a huge board-defining creature into play
Despite that factor, however, the prices of serialized Retro Artifacts most likely arent going to eclipse their theoretical statistical cost
3 Pithing Needle Shut Down Abilities Pithing Needle is a staple across every format it is legal in due to how strong it is
When Cavalier of Flame enters the battlefield, discard any number of cards, then draw that many cards
Many games are decided by incremental advantage a player can grind from the synergies designed within their deck
Now, this is just a possibility at this point