Tracks Blizzard employees across various accounts.
Wizards Jay
Really need a full list to see how many cards are new vs existing to know how much this will ultimately matter.
There's a breakdown at the end of this article: https://magic.wizards.com/en/articles/archive/magic-digital/what-mtg-arenas-jumpstart-historic-horizons-2021-07-26
For the 372 new-to-MTG Arena cards:
13 Mythic Rares
56 Rares
123 Uncommons
180 Commons
For the total of 767 non-land cards:
85 Rares
286 Uncommons
383 Commons
<div class="md"><p>There's a breakdown at the end of this article: <a href="https://magic.wizards.com/en/articles/archive/magic-digital/what-mtg-arenas-jumpstart-historic-horizons-2021-07-26">https://magic.wizards.com/en/articles/archive/magic-digital/what-mtg-arenas-jumpstart-historic-horizons-2021-07-26</a> </p> <p>For the 372 new-to-MTG Arena cards:</p> <p>13 Mythic Rares</p> <p>56 Rares</p> <p>123 Uncommons</p> <p>180 Commons</p> <p>For the total of 767 non-land cards:</p> <p>13 Mythic Rares</p> <p>85 Rares</p> <p>286 Uncommons</p> <p>383 Commons</p> </div> (Source)
Wizards Jay
There's a breakdown at the end of this article: https://magic.wizards.com/en/articles/archive/magic-digital/what-mtg-arenas-jumpstart-historic-horizons-2021-07-26
For the 372 new-to-MTG Arena cards:
13 Mythic Rares
56 Rares
123 Uncommons
180 Commons
For the total of 767 non-land cards:
13 Mythic Rares
85 Rares
286 Uncommons
383 Commons