20 cards where the set is “ana” and (the collector number >= 6 and the collector number <= 20)

Forest (Arena New Player Experience #9a)
Forest (Arena New Player Experience #10a)
Forest (Arena New Player Experience #18)
Forest (Arena New Player Experience #19)
Forest (Arena New Player Experience #20)
Island (Arena New Player Experience #9)
Island (Arena New Player Experience #10)
Island (Arena New Player Experience #11)
Mountain (Arena New Player Experience #7a)
Mountain (Arena New Player Experience #8a)
Mountain (Arena New Player Experience #15)
Mountain (Arena New Player Experience #16)
Mountain (Arena New Player Experience #17)
Plains (Arena New Player Experience #6)
Plains (Arena New Player Experience #7)
Plains (Arena New Player Experience #8)
Swamp (Arena New Player Experience #6a)
Swamp (Arena New Player Experience #12)
Swamp (Arena New Player Experience #13)
Swamp (Arena New Player Experience #14)

Though this query has ended, its relics still slumber in New Argive.