Mutilate (Garruk vs. Liliana) [Duel Decks Anthology]

$1.70
Type: MTG Single
Title
Set: Duel Decks Anthology
Type: Sorcery
Rarity: Rare
Cost: {2}{B}{B}
All creatures get -1/-1 until end of turn for each Swamp you control.
Liliana developed a fondness for the moment when roaring becomes squealing.