Evermind - The List - SOK-37

Instant — Arcane

(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.)

Uncommon · The List · #SOK-37 (PLST)

Illustrated by Matt Thompson