Mirror of her Past

MindDelve {3}(You may discard 3 cards and draw
2 card to reduce the cost of this spell by {3}.)
Target creature loses Flight until end of turn.
Target creature gains Flight until end of turn.
Target creature gains Shadow until end of turn.
If you used MindDelve to cast Mirror of her Past,
each opponent puts the top three cards on top of
their library into their graveyard.
"Tragedies remembered, then forcibly shared."