Dragons Breath

{b}{r}{t}: target opponent and/or creature gets -5/-6
until end of turn
{u}{t}: add a 3/6 Deep token onto the battlefield
{b}{t}: add a 3/6 Death token onto the battlefield
{r}{t}: add a 3/6 Breath token onto the battlefield
This enchantment creature can only be killed by
an enchantment killing instant