Reweave

Target permanent's controller sacrifices it. If the player does, they reveal cards from the top of
their library until they reveal a permanent card
that shares a card type with the sacrificed
permanent, put that card onto the battlefield,
then shuffle.
Splice onto Arcane {2}{u}{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.)