Lady Illmarrow, The Lich Queen

Whenever a nontoken creature an opponent controls
dies, exile it.

{2}{b}, Put a creature card exilied with
Lady Illmarrow into its owner's graveyard. Put two
+1/+1 counters on Lady Illmarrow. Draw a Card.

{x}{1}{b}: Put target creature card with mana
value {x} exiled with Lady Illmarrow onto the battlefield tapped under your control.