Engineered Plague Combos
Atzocan Archer + Engineered Plague + Dread Slaver
Darien, King of Kjeldor + Sanguinary Priest + Engineered Plague
Gravecrawler + Pitiless Plunderer + Engineered Plague
Mikaeus, the Unhallowed + Cryptic Trilobite + Engineered Plague
Mikaeus, the Unhallowed + Workhorse + Engineered Plague
Rot Hulk + Godhead of Awe + Engineered Plague
The Locust God + Liliana, Dreadhorde General + Engineered Plague
The Locust God + Species Specialist + Engineered Plague
The Locust God + Weatherlight Compleated + Engineered Plague
Combo result
Infinite card draw. Infinite draw triggers. Near-infinite ETB. Near-infinite LTB. Near-infinite death triggers.
Prerequisites
All permanents on the battlefield. You have a way to draw a card. Weatherlight Compleated has at least six phyresis counters on it. Engineered Plague naming "Insect".
Thornbite Staff + Elemental Mastery + Engineered Plague
Combo result
Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers.
Prerequisites
All permanents on the battlefield. Elemental Mastery and Thornbite Staff attached to the same creature with power 1 or greater that does not have summoning sickness. "Elemental" chosen with Engineered Plague.
Yedora, Grave Gardener + Ruthless Ripper + Engineered Plague
Combo result
Infinite green mana. Infinite ETB. Infinite LTB. Infinite death triggers. Infinite landfall triggers. Infinite lifeloss.
Prerequisites
Ruthless Ripper in hand. All other permanents on the battlefield. You have at least one additional black card in hand. Engineered Plague naming "Human" or "Assassin". {B} available.