Deathkill, Threatening Lich

Whenever you cast an artifact spell, each opponent loses 1 life.
{b}: Deathkill gains menace until the end of turn.
{b}: Deathkill gains intimidate until the end of turn.
{b}: Deathkill gain fear until the end of turn.
{b}: Each other creature becomes a Coward in addition to their other types until the end of turn.
"FEAR ME"