Ice Age

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Mudslide made the set's biggest move, +190% to $13.42. 48 cards broke away from the set's shared move over the 28-day window, quieter than most Magic: The Gathering sets (12.5 per 100 cards vs. a 26.2 median). 36 moved up, 12 moved down.

How Magic: The Gathering sets usually behave

Value concentrates hard: across 393 measured Magic: The Gathering sets, the single top card typically holds about 8% of a set's total card value.

New Magic: The Gathering sets have typically settled about 34% below their release-week price, with most of that easing done within roughly 16 weeks (measured across 70 recent releases).

Over the first 30 weeks after release, that easing runs about 28% deeper than the market's own drift.

Across 71,958 measured breakaway moves in our archive, upward moves outnumber drops about 1.5 to 1.