Nightmare Curse - Action

[chi] (D) Unlock this vampire and lock a ready minion.
[aus][chi] (D) Put this card on a ready minion and lock them. The attached minion does not unlock as normal. During their unlock phase, they can burn 1 pool to unlock. Burn this card after this acting vampire leaves the ready region
[AUS][CHI] As [aus][chi] above, but without the option to burn pool to unlock.