When Legendary Treasures came out, we saw a ton of new EX cards hit the market, along with a special Radiant Collection inserted randomly into the packs
It can fetch win conditions easily, and do ridiculous things with enchantments, making games harder for other players
Thassa's Oracle is the most infamous, but Laboratory Maniac and Jace, Wielder of Mysteries also benefit from effects milling your library
This exorbitant cost means he'll stay in play almost constantly
This is because there's another Booster Fun version of Okoa borderless versionand in general, our heuristic is to maintain the relative ratios of "Booster Fun versions of Oko" with "Booster Fun versions of other mythic rares." This means that if a card has multiple Booster Fun treatments, you're less likely to open any particular version, but you're just as likely to open a Booster Fun version of Oko as any other card overall