Byway Courier [Shadows over Innistrad] Eye Spy "Wrath is no vice when

"Wrath is no vice when inflicted upon the deserving

Set: Shadows over Innistrad Type: Creature — Human Cleric Rarity: Uncommon Cost: {3}{W} At the beginning of your end step

where X is the number of Elves on the battlefield

Set: Conspiracy: Take the Crown Type: Sorcery Rarity: Rare Cost: {4}{U} Reveal the top three cards of your library

Machina Irradiator can accelerate itself on the field by discarding a "Machina" as well

Byway Courier [Shadows over Innistrad] Eye Spy "Wrath is no vice whenSet: Shadows over Innistrad Type: Creature Human Scout Rarity: Common Cost: {2}{G} When Byway Courier dies, investigate. (Create a colorless Clue artifact token with "{2}, Sacrifice this artifact: Draw a card.") A good courier travels fast and asks no questions.