Friendly Fire
Instant
Target creature's controller reveals a card at random from their hand. Friendly Fire deals damage to that creature and that player equal to the revealed card's mana value.
Legalities
- brawl: banned
- commander: legal
- legacy: legal
- modern: legal
- pauper: legal
- standard: banned
- vintage: legal
- pioneer: legal
Rulings
- 2014-11-24:
Cards that don’t have mana costs, such as land cards, have a converted mana cost of 0.
- 2014-11-24:
If the card has {X} in its mana cost, X is 0.