Crow Corpse Duchess

MindDelve {3}(You may discard 3 cards and draw
3 cards to reduce the cost of this spell by {3}.)
If you did not use MindDelve to cast Corpse
Duchess, then when she comes into the
battlefield exile a creature form the graveyard.
Madness: {3}{b}.
"Some mad crones are cursed to outlive their line and
all their servants, and wander the wilds."