Community
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.
"Never tell goblins to 'fire at will.'" —Urut Barzeel, Mardu hordechief
Rulings (2)
If the card has X generic mana in its mana cost, X is 0.
Nov 24, 2014
Cards that don't have mana costs, such as land cards, have a mana value of 0.
Nov 24, 2014
Legality
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