Ogarth of Spirits

When Ogarth of Spirits enters the battlefield
target creature your opponent controls gets
2-/2- instill end of turn.
{t}: Add {x}: {g} mana Where {x} is the number
of {g} mana you control.
{t}: Gain {x} life where {x} is your life total.
{g}{g}{g}{4} Sacrifice Ogarth of Spirits
target creature artifact or oponent loses {x}: life
where {x} is your life total.