Note that even though the last week of previews was cut short by the full set spoiler, the last Friday was still officially part of the last preview week, so it was still considered two (or in the case of Scars, three) weeks of official previews
According to the official Collecting Final Fantasy x MTG article, the rarity distribution is: An uncommon FCA card 63.25% of the time, A rare FCA card 29.75% of the time, or A mythic rare FCA card 7% of the time Keep in mind that you only find an FCA card in a third of your Play boosters
The real star of the show here are the Phyrexianized Lands
Then you may have Kimahri become a copy of that creature, except its name is Kimahri, Valiant Guardian and it has vigilance and this ability
This doesn't happen if the survivor is removed while still tapped
ramp, while Green, Blue, Black, and Yellow had control and tempo standouts