Dont forget that The Ur-Dragon is getting a reprint this August, and were going to see a lot of people building Dragon decks, so it might bounce in price quickly or never get cheap at all
Prices are updated based upon Magic Marvel Spider-Man listings that sold on eBay and other marketplaces
You get to decide when to cast it, which will effect whether or not you get a card you can cast
You can't play with these cards in Standard, but they are, of course, legal in Commander, which is more widely played
But with that ratio, and with the drop rates in both types of boosters, I estimate that the ratio of mythics to MAR cards is about 3:2, meaning that for every two copies of a particular MAR card, theres three copies of a particular in-set mythic
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