Players get that they are not going to see every card every game
If you can trigger Tax Collector's enter the battlefield effect multiple times with a card like Essence Flux or Ephemerate, you can essentially make it near impossible for the opponent to cast a spell on their next turn
I personally like the idea of pairing up with Sarah Jane Smith and leaning into Clue tokens, since you can generate them to grow the Doctor large, and then post-combat you can sacrifice one or two to draw some more action
And thus, shortly after the release of Twilight Masquerade , I had a very memorable Memorial Day driving between a bunch of different department stores, Walmarts, Targets, etc., on the hunt for the Porygon-Z pack
This article explores pregame actions, Leylines, Chancellors, companions, conspiracies, Serum Powder mulligans, Gemstone Cavern, Flash Hulk history, and other strange cards that affect the game before anyone plays a land