Collective Inferno

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for 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.

EDHREC rank #3099

USD reference: $1.79 (~₱112.30) · Foil: $2.08 (~₱130.49)