All paper versions of Marvel Universe cards have M in their collector number, as all mythics do
Building an Edgar, Master Machinist Commander Deck How much damage can we do with Edgar, Master Machinist on a budget
Cons : Relies on someone spotting and posting, niche products get less attention, alert fatigue from products you do not care about, delay between restock and post
it even rebuilds well after a board wipe since you just need to play this and another cheap creature to get four or five counters at once
Edge of Eternities, by comparion, has Collector Booster Box Displays at around $250, and single Collector Boosters for $35
Gold filler is not what you want at all and so this isn't in my drafting cube anymore