Reweave

Target permanent's controller sacrifices it. If he/she does, that player reveals cards from the top of his/her library until he/she reveals a permanent card that shares a card type with the sacrificed permanent, puts that card onto the battlefield, then shuffles his/her library.

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.)