Mana Clash

Oracle Text

You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players' coins come up heads on the same flip.

Card Rulings

10/4/2004 Always affects the player and targets one of their opponents.
10/4/2004 Each point of damage is dealt separately, so if you are damaged twice by this spell, each time is considered a separate time this source deals damage.
10/4/2004 This card’s coin flip has no winner or loser.