Collective Inferno

Enchantment{3}{R}{R}

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.

Colour identity Red · Double, Convoke

In short

Collective Inferno has 5 listed printings; the most valuable is the Showcase · Fracture Foil printing from ECL at US$72.66 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.

Every Collective Inferno printing

Showcase · Fracture Foil