Barren Blazer

Flying
When Barren Blazer attacks, if the defending player controls a creature with Flying or reach, Barren Blazer deals 4 damage to defending player. Target creature with flying or reach gets -X/-X until end of turn, where X is the amount of life its controller lost this turn. (Damage causes loss of life.)
{3}Target player loses 3 life. You may only activate this ability twice per turn.