And The Brothers' War has me stoked
Looking to pick up some Mega Evolution of your own
Are these as good as the Kamigawa lands
(To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) , Sacrifice this artifact: Surveil 2, then draw a card
So I tried this method for the uncommons, and it was quite successful: For all the sets I looked at - most of the Sun & Moon series sets, plus Evolutions - there are two stacks of uncommons being inserted into packs alternatingly, so a box of 36 packs yields two 54 (18 x 3) card sequences
When the standard format rotates each season, cards with the oldest letter mark leave the format, and cards with the newest regulation mark are added to the pool