Action: Ready a hero you control. Then, if your threat is 20 or less and this is the first time you played a copy of Swift and Silent this round, return this card to your hand instead of discarding it.

A marching host of Elves had come up silently...–The Fellowship of the Ring

Action: Choose an enemy in the staging area. That enemy does not make engagement checks this round. Then, if your threat is 20 or less and this is the first time you played a copy of Noiseless Movement this round, return this card to your hand instead of discarding it.

...the woodland folk were altogether noiseless in their movements. –The Fellowship of the Ring

Action: Choose a hero. That hero gets +2 until the end of the phase. Then, if your threat is 20 or less and this is the first time you played a copy of Courage Awakened this round, return this card to your hand instead of discarding it.

But the courage that had been awakened in him was now too strong: he could not leave his friends so easily. –The Fellowship of the Ring