Evermind is a uncommon Instant — Arcane card from The List (PLST), collector number SOK-37. Current market price: $0.23, TCGplayer market prices via Scryfall.
(Nonexistent mana costs can't be paid.) Draw a card. Splice onto Arcane {1}{U} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)