Because Take Inventory is still on the stack as its resolving, that spell card isnt in your graveyard and wont affect the number of cards you draw
The anime art version is also stunning , so if youd rather use Ravnican Moltres as your mana dork, then go get it
Decks With This Card Recent public and tournament decks using Pot of Dichotomy
Gremlins you begin to control later in the turn won't gain menace, lifelink, or haste
In Standard, it can be cast on Turn 2 after casting either Gilded Goose or Arboreal Grazer, and it plays particularly well with either one, in that Oko and Gilded Goose each make Food for the other one, so you can keep making mana or keep making Elks as needed, and with Arboreal Grazer, you can immediately turn the Grazer into an Elk and attack for three on Turn 2