A-Skemfar Elderhall

Skemfar Elderhall enters tapped.
{T}: Add {G}.
{1}{B}{B}{G}, {T}, Sacrifice Skemfar Elderhall: Up to one target creature you don't control gets -2/-2 until end of turn. Create two 1/1 green Elf Warrior creature tokens. Activate only as a sorcery.