Cannot have restricted attachments.

Response: After Meneldor enters or leaves play, place 2 progress on a location.

...Meneldor young and swift. –The Return of the King

Action: Return an Eagle ally to your hand to shuffle a set-aside Eagle of the North into the encounter deck. Then, remove Flight of the Eagles from the game.

Behind them in long swift lines came all their vassals from the northern mountains, speeding on a gathering wind.
–The Return of the King

Encounter. Surge.

Cannot have restricted attachments.

When Revealed: The first player chooses a player to take control of Eagle of the North. The chosen player may choose and discard a non-unique enemy in the staging area.

Sentinel.

Winged Guardian cannot have restricted attachments.

Forced: After an attack in which Winged Guardian defends resolves, pay 1 resource or discard Winged Guardian from play.

Action: Search the top 5 cards of your deck for any number of Eagle cards and add them to your hand. Shuffle the other cards back into your deck.

"The Eagles! The Eagles!" –Bilbo Baggins, The Hobbit

Sentinel. Landroval cannot have restricted attachments.

Response: After a hero card is destroyed, return Landroval to his owner's hand to put that hero back into play, with 1 damage token on it. (Limit once per game.)

Response: After an ally is destroyed, exhaust 1 Eagle character to move that ally from the discard pile to its owner's hand.

The pale peaks of the mountains were coming nearer, moonlit spikes of rock sticking out of black shadows. –The Hobbit

Descendant of Thorondor cannot have restricted attachments.

Response: After Descendant of Thorondor enters or leaves play, deal 2 damage to any 1 enemy in the staging area.

Action: Choose an Eagle ally. Return that character to its owner's hand.

Not event an eagle poised against the sun would have marked the hobbits sitting there, under the weight of doom...
–The Two Towers

Ranged.Vassal of the Windlord cannot have restricted attachments.

Forced: After an attack in which Vassal of the Windlord attacked resolves, discard Vassal of the Windlord from play.

Eagles of the Misty Mountains cannot have restricted attachments. Eagles of the Misty Mountains gets +1 and +1 for each facedown attachment it has.

Response: After another Eagle character leaves play, you may attach that card facedown to Eagles of the Misty Mountains.

Attach to a hero.

Action: Exhaust Support of the Eagles to choose an Eagle ally. Until the end of the phase, attached hero adds that ally's or (choose 1) to its own.

"I would bear you, whither you will, even were you made of stone." –Gwaihir, The Return of the King

Cannot have restricted attachments.

Response: After Gwaihir enters play, search your discard pile for an Eagle ally and put it into play under your control. At the end of the round, if that ally is still in play, add it to your hand.

"The North Wind blows, but we shall outfly it." –Gwaihir, The Return of the King

Cannot have restricted attachments.

Response: After Meneldor enters or leaves play, place 2 progress on a location.

...Meneldor young and swift. –The Return of the King

Action: Return an Eagle ally to your hand to shuffle a set-aside Eagle of the North into the encounter deck. Then, remove Flight of the Eagles from the game.

Behind them in long swift lines came all their vassals from the northern mountains, speeding on a gathering wind.
–The Return of the King

Encounter. Surge.

Cannot have restricted attachments.

When Revealed: The first player chooses a player to take control of Eagle of the North. The chosen player may choose and discard a non-unique enemy in the staging area.

Ranged. Sentinel.

Cannot have restricted attachments. Gwaihir does not ready during the refresh phase.

Response: After an Eagle ally enters or leaves play, ready Gwaihir. (Limit once per phase.)

Cannot have restricted attachments.

Forced: After Eagle Emissary quests successfully, pay 1 resource or discard it from play.

...and out of the East there came a great Eagle flying, and he bore tidings beyond hope from The Lords of the West...
–The Return of the King

Ranged. Sentinel.

Cannot have restricted attachments.

Forced: At the end of the round, discard Wilyador unless the players as a group spend 1 resource.

Ranged. Sentinel.

Cannot have restricted attachments. Gwaihir does not ready during the refresh phase.

Response: After an Eagle ally enters or leaves play, ready Gwaihir. (Limit once per phase.)

Cannot have restricted attachments.

Forced: After Eagle Emissary quests successfully, pay 1 resource or discard it from play.

...and out of the East there came a great Eagle flying, and he bore tidings beyond hope from The Lords of the West...
–The Return of the King