The next time we would see numerical norm breaking was with the release of the The New Norm Looking at more recent sets, such as the Lord of the Rings Holiday Release or Weve seen that reducing the number of serialized cards frequently increases their overall price less is more in the collectibles world, afterall but whether or not this rises to the same degree of prominence as what we saw experimented with via the Praetors in March of the Machine is yet to be seen
Ojer Taq, Deepest Foundation sees those options and demands more, turning humble cards like Rith's Charm into tons of value
But with that in mind, we come to the problem with mono-white
This has a higher ceiling, because it just counts permanents and not permanent types, and this format certainly has a variety of ways for you to set up your graveyard, but the ceiling here is still a huge vanilla creature, one that you normally cant really play reasonably on turn two
It taketh and it giveth away
Thats not to say Simbas ability is bad, especially if there are ways to recur cards from your discard pile as more sets release