Abominated Dreams

You may pay 5 life instead of paying this spell's
mana cost.
Look at target player's hand. Choose a nonland
card from it and exile that card. Whenever an opponent casts a spell with the same name of the exiled card, return Abominated Dreams from
your graveyard to your hand.
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''The Gitaxians offer valid ideas. We must be willing
to compromise.'' —Karn, to himself