Helm of the Alabaster Unicorn¶

<instant> Return 1 <spell> of your choice from your discard pile to your hand.
— OR —
<instant> Cast a spell from the top of the <spell> deck discard pile and Remove this card.
A traveling tinker in need of supplies offers your a helm with a unicorn's horn on its top in exchange for food and water. You accept, and later find out that the helm is magical.