Rekindled Flame | Magic: The Gathering
Formats Rekindled Flame is Legal in
Official Oracle Text for Rekindled Flame
At the beginning of your upkeep, if an opponent has no cards in hand, you may return Rekindled Flame from your graveyard to your hand.
Official Rulings for Rekindled Flame
8/1/2008 : You don't specify an opponent; the ability will check all of them to see if at least one meets the condition. The opponent that meets the condition when the ability triggers and the one who meets the condition when it resolves can be different players.