Because theyre more restrictive than ramp that produces extra mana, they can be narrower than your average Rampant Growth but often offer much more value to decks willing to meet their restrictions
Since the Blinkmoth it becomes has both flying and infect, all you need is a few efficient pump spells and you can attack for a fatal ten poison damage as early as turn two or three

1 Non-foil Booster Fun common or uncommon 1 of 40 Extended-art legendary uncommons (66.7%) 1 of 3 Main set Booster Fun commons (5%) or 13 uncommons (26.7%) 1 of 3 Alternate-art Secret Rendezvous uncommons (1.6%) Features artwork of Yuffie (0217), Aerith (0218), or Barrett (0219) 1 Traditional foil or surge foil Booster Fun common or uncommon 1 of 3 Traditional foil Booster Fun commons (13.75%) or 13 uncommons (72.75%) 1 of 3 Traditional foil alternate-art Secret Rendezvous uncommons (4.5%) 1 of 4 Surge foil uncommon borderless character cards (9%) 1 Traditional foil basic land 1 Traditional foil default frame rare (87.75%) or mythic rare (12.25%) 3 Booster Fun rares or mythic rares 1 Non-foil main set Booster Fun rare (23.1%) or mythic rare (3.8%) 1 of 44 Non-foil extended-art legendary rares (18.2%) or 14 mythic rares (2.9%) 1 Non-foil Booster Fun Magic: The Gathering FINAL FANTASY Commander card From among 7 rares (2.9%) and 16 mythic rares (3.3%) 1 of 93 Non-foil extended-art Magic: The Gathering FINAL FANTASY Commander rares or mythic rares From among 28 rares (11.6%), 57 extended-art legendary rares (23.6%), and 8 extended-art mythic rares (1.6%) 1 of 7 Traditional foil Booster Fun rares (1.4%), 28 extended-art Magic: The Gathering FINAL FANTASY Commander rares (5.8%), or 8 mythic rares (0.8%) 1 of 8 Surge foil Booster Fun Magic: The Gathering FINAL FANTASY Commander mythic rares (1%) A Collector Booster will have a maximum of one traditional foil or surge foil card in these slots

TCGPlayer currently shows Zinnia, Valley's Voice at a $174.89 market price
Vintage Masters has 325 cards in total, shown in the spoilers list above
Creature - Goblin Artificer Herigast, Erupting Nullkite Emerge (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast this spell, you may exile your hand