Die Frage für das "Rack" + "Secure Haven" hat LSJ, so beantwortet, dass das keinen extra Pool kostet. Siehe Newsgroup Thread
Piper [TR:R]
Cardtype: Master
Master. Requires a ready anarch.
A ready untapped anarch you control employs or recruits a retainer or ally from your hand (requirements and cost apply as normal). This is not an action and cannot be blocked. Tap that anarch.
Secure Haven [DS:C2, FN:PS, CE:PM, Anarchs:PAB, Third:PM, LotN:PS]
Cardtype: Master
Cost: 1 pool
Master: unique location. Haven.
Put this card on a minion you control. This minion cannot be [the target of other Methuselahs' actions]. Any Methuselah burns an additional pool when playing master cards on (or that target) this minion. Burn this card if this minion enters torpor. A minion may have only one haven.