When Engineered Plague comes into play, choose a creature type.
All creatures of the chosen type get -1/-1.
"The admixture of bitterwort in the viral brew has produced most favorable results."
Phyrexian progress notes

• Number: 51
• Rarity: U
• Type: Enchantment
• Mana cost: 2B
• Color: Black
• Artist: Michael Sutfin