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May 6, 2017 7:33 p.m.
Well, Tattered Mummy is only available in the Liliana planeswalker deck, so that might have something to do with the pricing.
May 6, 2017 7:55 p.m.
Could have something to do with the fact it's exclusive to the Liliana PW deck and isn't all that bad in Pauper. Other than that idk
May 6, 2017 9:51 p.m.
Purely from a mechanic standpoint, he's a tank.
Think about it. If you get multiple of these out, your opponent most likely will not want to attack you purely out of fear of you using them to block. They also can pelt your opponent for 1 damage apiece, more if you equip or enchant them. Again, out of fear of removal. He's essentially a monoblack burn spell rolled up into a creature. And he can bring extra hate if you fuel any "sac-a-creature" abilities.
I don't think he should be valued at $3 like you say, but I'd definitely say he's at least $0.50, maybe $0.75 foil.
May 7, 2017 3:14 a.m.
Also on TCG there is one listing at $2.99. The others are $0.25. Card Kingdom also lists at $0.25. I think that one sole seller on TCG is just being silly (To use a less-aggressive word).
May 7, 2017 3:17 a.m.
I could see them being annoying if you kept recurring them from the Graveyard with something like Relentless Dead.
May 7, 2017 10:38 a.m.
Ryjo, I saw your post about the card being exclusive, and I've read this online as well (On MTG's official website). What I'm confused about is if this claim is true, how did I get one in a fatpack and another in a stand-alone booster pack?
I think this is more of a false marketing ploy than anything. That, or I got insanely lucky in the worst possible way.
May 8, 2017 1:46 p.m.
Catalog9000, It is possible that the card ended up in those packs by mistake, or maybe Wizards decided kind of late that the card was to be exclusive. Either way it is strange.
Tattered Mummy's price has a fallen a bit (to about $1 on tcgplayer), but it still seems overvalued. It has some interesting synergy with Zulaport Cutthroat, which I believe is still legal in standard for now. Could be pretty effective using it with Zulaport, Wayward Servant, and Relentless Dead <--(as Argeaux mentioned). I'm sure there are a few other decent cards in standard that can help you keep digging that back up. I know they reprinted Gravedigger, a personal favorite of mine... also the new art is pretty awesome.
Anyways thank you all for your incite. I think the card is temporarily in short supply and high demand. I predict that the price will drop to about $.25-$.50 in the next few weeks, but only time will tell.