
Whenever you cast a multicolored spell, this enchantment deals X damage to any target, where X is the number of colors that spell is.
Mana Cannons has 2 printings, first in Dominaria United Commander (2022). EDHREC ranks it #9,771 among Commander cards. It appears most in Jared Carthalion decks (2,245 on EDHREC). 1 public deck on TCG runs it.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.