flavorText: Night fell all at once. Specifically, on the Phyrexian.
name: Collective Nightmare
originalText: Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)\nTarget creature gets -3/-3 until end of turn.
printings: MOM
text: Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)\nTarget creature gets -3/-3 until end of turn.
type: Instant