As you can see, the Expanded format has access to far more powerful cards, which is great because if you want to mix things up, you can learn both Standard and Expanded formats
Darksteel Mutation and Reprobation remove the abilities of the creature it enchants and downgrades it to an 0/1
Chance of pulling a high-gradeable Charizard ex, Venusaur ex, or Blastoise ex SIR
This would encourage people to play career more and allow older players to be distinguished from newer ones
Also, PSA now lists 15 of the card graded PSA 9, 12 as PSA 8, and 7 as PSA 7
For the Masters TCG tournament, multiple deck types proved to have an outsized influence on the final results, including many decks that trainers have encountered quite a bit recently