Its very easy to have five or six cards in your hand on turn four, which means you suddenly have a flying 6/6 that can swing in, and will then make the next instance of this ability stronger thanks to card draw
Can you
If you dont want to look too hard for creatures that inherently have haste, this also isnt a problem, as you can simply give all of them haste with cards like Fervor, Concordant Crossroads, Rhythm of the Wild, or Fires of Yavimaya, making construction of a deck revolving around this card or Ogniss inclusion in a similarly aggressive deck quite manageable
I got to thinking about what the prices on the serialized bobbleheads will get to, and then I realized that we need to examine the history of these cards and see where prices might go
Every noncreature spell grows Vivi and generates mana, turning a single Curiosity effect into a lethal draw loop that burns the table out in one explosive turn