Looking for a few foils and full-art promos for my decks. Trying to keep within formats, but willing to make exceptions.

Foil Wants:
3x Steam Vents
1x Hallowed Fountain
1x Sacred Foundry
1x Treasure Cruise
4x Lightning Helix (Foil or Promo)
2x Electrolyze (Foil or Promo)
2x Vapor Snag
4x Serum Visions
4x Lightning Bolt (Foil or Promo)

Looking for a chaps Voidslime?

I have a foil Treasure Cruise and a foil Vapor Snag.

IDW electrolyze too, or champs only?