Felurian

When Felurian enters the battlefield, put three seduction counters on her and exile target creature until Felurian leaves the battlefield.
At the beginning of your upkeep, remove a seduction counter from Felurian. If there are no seduction counters on Felurian, put the exiled creature into its owner's graveyard. Then, put three seduction counters on her and exile target creature until Felurian leaves the battlefield.