Technically first time foils (for completeness sake) These cards all have original pack printings from Urzas Saga or earlier
Flexible and powerful, I have only once used it to make an opponent draw a card in a game of EDH, but it was on their end step and it made them lose if that piques your curiosity
The con is that six wildcards is a pretty small number, plus it takes a long time to fill the vault unless you buy packs like crazy
For the cost of two, you can check the card of your deck and if it is a character card, you get to add it to your hand
But it still beats and serves and can work well with +1/+1 counter themes like Doubling Season or Hardened Scales
If you pick Clara Oswald as your Doctors companion, you can add black to your color identity and run some sweet Food synergies, including historic ones like Gyome, Master Chef