City on Fire - March of the Machine - 363

Enchantment

Mana Cost: {5}{R}{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.)
If a source you control would deal damage to a permanent or player, it deals triple that damage instead.

Rare · March of the Machine · #363 (MOM)

Illustrated by Jake Murray