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.
![Collective Inferno (Showcase) (Fracture Foil) [Lorwyn Eclipsed]](http://tothetablebgc.myshopify.com/cdn/shop/files/671511_a7e89703-36d0-4ac9-9f3c-a620b5dceb2c.jpg?v=1776476778&width=1445)
