Lathril, Sunblade Commander

Eminence—Whenever you cast another Elf spell, if Lathril is in the command zone or on the battlefield, create a 1/1 green Elf creature token with "{t}: Add {g/w}."
{2}{g/w}{t}, Create 2 1/1 Elf creature tokens with "{t}: Add {g/w}."
{t}, Tap ten Elves you control: Each opponent loses 10 life and you gain 10 life.