There are also a couple of premiere creatures that are incredible to ramp into
He was buying a ton of them, thats for sure
Sure, you have to run a Rapid Strike deck to make it work, but in the right mix, it can hit two targets hard
Cauldron Familiar is not on a level with Oko, Thief of Crowns or even a Once Upon a Time, but its proved its worth as part of the Eldraine rogues gallery of cards that do too much for too little
As far as the free-to-play element goes, Pokmon TCGOs progression is paced a little slowly for those who opt out of microtransactions (and, in this case, buying packs of cards IRL that contain redeemable codes)
If more information gets published, I will update this section