name: Oath of Mages
originalText: During each player's upkeep, if that player has less life than target opponent, he or she may have Oath of Mages deal 1 damage to that opponent.
printings: EXO
text: At the beginning of each player's upkeep, that player chooses target player who has more life than they do and is their opponent. The first player may have this enchantment deal 1 damage to the second player.
type: Enchantment