Technically, yes, you can reroll the initial free booster pack the game gives you
Note, a BGS 9.5 (which is in theory considered to be Gem Mint) is equivalent to a PSA 10 or SGC 10
1 Borderless rare or mythic rare, a rare or mythic rare with the showcase Ring treatment, or a Realms and Relics mythic rare In this slot, you can find 1 of 14 rares or 6 mythic rares with the showcase Ring treatment (50% in total)
As this is a built-in Special Summon, it does not start a Chain , sso your opponent cannot respond to a Contact Fusion, just the Summon itself
After what felt like an eternity waiting, we have the very first spoiler for the much anticipated Final Fantasy x Magic: The Gathering Universes Beyond set