Mana Cannons (Dominaria United Commander #83)

Mana Cannons {2}{R}

Enchantment

Whenever you cast a multicolored spell, Mana Cannons deals X damage to any target, where X is the number of colors that spell is.

Illustrated by Sidharth Chaturvedi

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny