This Supporter card allows players to draw cards equal to the amount of Benched Pokmon that their opponent has after discarding one card
Analyzing the odds, figuring out how many rares one would open, and how much expected value is present in these packs might be hard, but people have done the math and it varies from set to set
How much are rare Magic The Gathering cards worth
If it is a CGC graded card, the scoring label on the top of the slab may vary based on the age of the slab (blue background, black background, etc)
We look first at Commander (since it's the most played format on tabletop MTG) and Standard (given it's the most popular format in MTG Arena), although of course removal spells that are multi-format staples and show up in Modern, Pioneer, or Legacy will get a nudge
I've seen one or two people try a two through eight set up as well, as a compromise