Diru, sky hunter

Flying trample firebreath-{1}{r}(this creature gains +2/+0 until end of turn)
When diru, sky hunter attacks choose one —
• diru the sky hunter deals 3 damage to target creature that creature cant block this turn
• target attacking creature gets +3/+0
until end of turn
• destroy target creature you lose X life
where X is the creatures toughness
{bull} you gain 7 life