Engineered Plague [Urza's Legacy] Creature {T}: Add {B} for each

{T}: Add {B} for each basic Swamp you control

Set: Commander 2014 Type: Creature — Elemental Beast Rarity: Rare Cost: {5}{G} When Grave Sifter enters the battlefield

Captain Angrath cares less about treasure than mayhem

Set: Commander 2017 Type: Legendary Creature — Dragon Avatar Rarity: Rare Cost: {W}{U}{B}{R}{G} Flying

except they're not legendary

Engineered Plague [Urza's Legacy] Creature {T}: Add {B} for eachSet: Urza's Legacy Type: Enchantment Rarity: Uncommon Cost: {2}{B} As Engineered Plague enters the battlefield, 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