Dead of Winter 

Sorcery
$0.35 #10456 0.70 7.2 years
All nonsnow creatures get -X/-X until end of turn, where X is the number of snow permanents you control.
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Cards similar to Dead of Winter expected a card that isn't here?
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Planar Despair86%
$0.16↓#29423↓0.12↓25.3 years↑
"All creatures get -1/-1 until end of turn for each basic land type among lands you control."
Priest of the Haunted Edge82%
$0.17↓#14703↓0.00↓5.6 years↓
"
, Sacrifice this creature: Target creature gets -X/-X until end of turn, where X is the number of snow lands you control. Activate only as a sorcery."
Drag to the Bottom80%
$0.06↓#21276↓0.07↓4.0 years↓
"Each creature gets -X/-X until end of turn, where X is 1 plus the number of basic land types among lands you control."
Hazardous Conditions80%
$0.05↓#28718↓0.38↓9.9 years↑
"Creatures with no counters on them get -2/-2 until end of turn."
Mutilate76%
$1.25↑#2397↑0.36↓24.6 years↑
"All creatures get -1/-1 until end of turn for each Swamp you control."
Terror Tide76%
$0.26↓#6795↑0.34↓2.8 years↓
"All creatures get -X/-X until end of turn, where X is the number of permanent cards in your graveyard."