Engineered Plague [Urza's Legacy] Griffin Whenever Book Devourer deals combat

Whenever Book Devourer deals combat damage to a player

Set: Eldritch Moon Type: Creature — Spirit Cleric Rarity: Uncommon Cost: {1}{W} Defender

Set: Judgment Type: Creature — Angel Rarity: Rare Cost: {5}{W}{W}{W} Flying

When Dark Revenant dies

Set: Kaladesh Type: Sorcery Rarity: Common Cost: {1}{R}{R} Gain control of target artifact or creature until end of turn

Engineered Plague [Urza's Legacy] Griffin Whenever Book Devourer deals combatSet: 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