Search the City
Return to Ravnica — rare
Enchantment
Search the City rulings:
2012-10-01: To “play a card” is to play that card as a land or cast that card as a spell, whichever is appropriate.
2012-10-01: You can put only one card into its owner’s hand for each card you play.
2012-10-01: If you don’t sacrifice Search the City, perhaps because it was destroyed in response to its ability triggering, you won’t take an extra turn.