Chain of Vapor is a uncommon Instant card from Onslaught (ONS), collector number 73. Current market price: $11.76 (foil $574.50), TCGplayer market prices via Scryfall.
Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land of their choice. If the player does, they may copy this spell and may choose a new target for that copy.