Origin of Black Widow [Marvel Super Heroes Commander]

Description

Set:	Marvel Super Heroes Commander
Type:	Enchantment — Saga
Rarity:	Uncommon
Cost:	{2}{B}

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Each opponent sacrifices a creature of their choice.
II — Creatures you control gain deathtouch until end of turn.
III — Each opponent loses 1 life for each creature card in their graveyard.