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Massacre [Nemesis]
| Set: | Nemesis |
| Type: | Sorcery |
| Rarity: | Uncommon |
| Cost: | 2BB |
| Colors: | B |
If an opponent controls a Plains and you control a Swamp, you may cast this spell without paying its mana cost.
All creatures get -2/-2 until end of turn.
All creatures get -2/-2 until end of turn.