Most sold is for cards people are actually buying, mixing recent sales with daily averages
It doesn't matter why you rolled a die or how many sides that die has: if you roll a 2, a 4, or a 6, the corresponding ability will trigger
Ashiok is incredibly powerful for three reasons: Limited libraries are tiny, its difficult to apply pressure (particularly to a turn three Ashiok on the play), and Aid the Fallen makes it facile to get the last mill or two in
Altogether this is probably less than two dollars worth of cards, but these are all useful, playable cards that you won't have to hunt down singles for
It works very well with a certain sacrifice fodder card coming up next
8 Neriv, Heart of the Storm Neriv, Heart of the Storms signature ability, doubling the damage of any creature you play that same turn, creates explosive moments, especially in aggressive Mardu shells that chain together hasty threats or token bursts