Collective Inferno [ECL - 132] Commander March of the Machine Tap two untapped creatures you

Tap two untapped creatures you control: Put a 5/5 black Demon creature token with flying onto the battlefield

Whenever an opponent draws a card

Spend this mana only to activate an ability of a creature

Flavor: Even before Phyrexia's forces arrived on Tarkir

Whenever you cast an Adventure spell

Collective Inferno [ECL - 132] Commander March of the Machine Tap two untapped creatures youRarity: R #: 132 Creature Type or Sub Type: Enchantment Rules Text Contains: Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for 1 or one mana of that creature's color.) As this enchantment enters, choose a creature type. Double all damage that sources you control of the chosen type would deal.