Society of Leopold

Society of Leopold

Unique master.

Put this card on a vampire. During his or her controller's unlock phase, the vampire with this card either burns 1 blood or is burned (the controller's choice). The vampire with this card can move it to any other vampire as a +1 stealth Ⓓ action.

when player put Society of Leopold on vampire controled another player,who is controler of Society of Leopold,player who play it,or controler vampire who have Society of Leopold?

As the card doesn’t explicitly changes controller nor is it stolen the default rule applies

“A master card in play is controlled by the Methuselah who played it, even if it is played on a card controlled by another Methuselah.”