The market is liquid and getting more visible to buyers, which cuts both ways: it is easier to sell, and harder to overcharge on something a buyer can price-check in seconds
On top of effectively scrying for three, Ponder also allows you to reshuffle your deck if you don't like any of the cards they see
Speaking of, if you've ever wanted a Voltron player to weep, try turning a Wall of Stolen Identity Moon into their Commander
As this is a mobile F2P game, it carefully balances the rewards so you are always just off completing a set before the next one launches
Because of its sustainability, it remains a consistent choice for players who want to boost on big threats in aggro or Voltron-style decks
Phyrexian Censor is a Phyrexian spell, so you could cast it and then a non-Phyrexian spell in the same turn