Reweave
{5}{U}
Instant -- Arcane
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~ from your hand and pay its splice cost. If you do, add ~this~'s effects to that spell.)