Cost of a card that cost X will use the paid cost if is referenced in the future

Name: Khobar Towers, Al-Khubar
[FN:R2, LotN:PS, 25th:1, POD:DTC]
Cardtype: Master
Clan: Ministry
Cost: 2 pool
Unique location.
Lock during your unlock phase to remove a ready minion you control from the game and gain X pool, where X is their capacity or cost.
Artist: Michael Gaydos

Name: Revelation of Ecstasy
[LotN:C/PS4, POD:DTC]
Cardtype: Action
Discipline: Serpentis
+1 stealth action.
[ser] Lock a ready minion controlled by your prey.
[SER] As above, and put 1 corruption counter on the target minion. If the number of your corruption counters on the minion equals or exceeds their capacity or cost, you can burn those counters to steal the target minion.
Artist: Jim Di Bartolo

Name: Reanimated Corpse
[LoB:C, HttB:PSam3]
Cardtype: Ally
Cost: X blood
Discipline: Thanatosis
Zombie with 2 life. 2 strength, 2 bleed.
[thn] Put X pathos counters on this corpse when it enters play. During your unlock phase, burn 1 pathos counter. Remove the corpse from the game if it has no pathos counters. The corpse can play combat cards that require basic Fortitude [for] as a vampire.
[THN] As above, but put 2 additional pathos counters on the corpse.
Artist: Roel Wielinga