Collective Inferno

Lorwyn Eclipsed (ECL)

Collective Inferno

{3}{R}{R}

Enchantment

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.
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