Those conditions might only be fulfilled while the card or ability is on the chain. In such a case, it can still be played or activated at the appropriate timing as long as doing so could fulfill the conditions.
§ 806.4.a Core Rules PDF (officieel)
§ 806 Action
§ 806.4 Some passive abilities may grant a card or ability Action under certain conditions. The card or ability does not have the Action keyword unless and until those circumstances are true.
