Hornet, protector of Ruin

Deathtouch, Ward {2}
{1}{b/g}, Create a 1/ 2 colorless wall artifact
creature token names Thread with Reach,
Defender and "{t}, Sacrifice three creatures
named Thread, you deal 6 damage to targeted
creature you don't control."
Whenever a wall creatures enter the battlefield
under your control opponents lose 1 life and you
gain 1 life.