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
7 Chandra, Gremlin Wrangler Like Dungeon Master, Chandra, Gremlin Wrangler is a Planeswalker card that was printed as part of Heroes of the Realm
Phyrexian Fleshgorger is huge and painful to remove thanks to ward, but also just a pile of stats on the battlefield with little extra utility
The anime art version is also stunning , so if youd rather use Ravnican Moltres as your mana dork, then go get it
Gremlins you begin to control later in the turn won't gain menace, lifelink, or haste
The most valuable cards can sell for up to $200 , at the time of writing, though that may change