Chain of Vapor is a uncommon Instant card from Magic: The Gathering (Magic Online Promos, PRM).
Uncommon
Magic Online Promos (PRM)
{U}
Mana Value
1
Colors
U
Card Text
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.
