Archaic Insight

Reveal the top card of your library. If it is a
nonland card, search your library for a
nonland card with converted mana cost less
than the revealed card's converted mana cost
and put that card into your hand. Otherwise,
draw a card.
Splice onto Arcane {3}{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.)