Болотный Недуг (Quag Sickness) (ru)
Enchantment - Aura (CMC 3)
Enchant creature
Enchanted creature gets -1/-1 for each Swamp you control.
Decks with Quag Sickness
[M14] Magic 2014 #110 (C)
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[M11] Magic 2011 #111 (C)