Corpse Dance [Tempest] Rabiah If those permanents are exchanged

If those permanents are exchanged this way

Set: Judge Gift Cards 2014 Type: Artifact — Equipment Rarity: Rare Cost: {3} Equipped creature gets +2/+2 and has protection from black and from green

Set: Invasion Type: Legendary Creature — Merfolk Noble Rarity: Rare Cost: {3}{U}{U} {U}{U}

sacrifice Forethought Amulet unless you pay {3}

Corpse Dance [Tempest] Rabiah If those permanents are exchangedSet: Tempest Type: Instant Rarity: Rare Cost: {2}{B} Buyback {2} (You may pay an additional {2} as you cast this spell. If you do, put this card into your hand as it resolves.) Return the top creature card of your graveyard to the battlefield. That creature gains haste until end of turn. Exile it at the beginning of the next end step.