This Dialga from the Forbidden Light expansion lets the trainer do just that
Personally, I prefer the cards to be from the same set so they share the same overall design and set logo
You have to manually select the variants of each card rather than seeing them all part of one set
You would gain utility and payoff potential but you would lose some tempo, potency and consistency for doing so
However, the Azure Flute was never distributed, although the text seen when receiving the 20th Anniversary Arceus states that Arceus could first be obtained in Diamond and Pearl in the Hall of Origin
2007 Pokmon Pop Series 5 Umbreon-Gold Star #17 Price Range: $400 to $15,000 Highest Sale Price: $20,000 PSA 10 Supply: 55 Species : Umbreon The 2007 Pokmon Pop Series 5 Umbreon-Gold Star #17 is among the most valuable cards in the Pokmon Trading Card Game (TCG), with a price range of $400 to $15,100 but selling as high as $20,000