The wording in the description of the Reanimated Dead in The Dread Realm seems to me to suggest that we should not trigger engagement effects (Mablung, Faramir) after reanimating a card. What do think? Here is the description from the rule sheet, my emphasis:
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Reanimated Dead
Many encounter cards in The Dread Realm scenario instruct players to "reanimate" a card. When a player is instructed to reanimate a card, place that card facedown in front of that player, as if it had just engaged that player from the staging area . Facedown cards that have been reanimated are called "Reanimated Dead" and act as if they are Undead enemy cards with 0 engagement cost, 2 threat, 2 attack, 2 defense, and 2 hit points. As a reminder, each quest card has the text: "Reanimated Dead are Undead enemies with 2 threat, 2 attack, 2 defense, and 2 hit points." If a Reanimated Dead is destroyed or leaves play for any other reason, it is placed in its owner's discard pile.
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It is the part that says "as if it had just engaged" which makes me think we are not meant to reap the benefit from player card effects that trigger off of engagement.