Mana Cannons [Dominaria United Commander]

Set: Dominaria United Commander Type: Enchantment Rarity: Rare Cost: {2}{R} Whenever you cast a multicolored spell, Mana Cannons deals X damage to any target, where X is the number of colors that spell is. “I hate the smell of charred Phyrexian, but it sure beats the alternative!” —Jaya