The Uruks of Mordor attack with a savagery that is difficult to match.
Each Orc enemy in the staging area gets -5 engagement cost.
Each Orc enemy engaged with a player gets +1 
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Cannot have player card attachments or be optionally engaged.
While the engaged player is engaged with another Orc enemy, Uruk Chieftain cannot take damage.
Forced: At the end of the encounter phase, Uruk Chieftain engages the player engaged with the most non-unique Orc enemies.
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Each ally with less 
than Uruk of Mordor's cannot defend against Uruk of Mordor.
Shadow: Attacking enemy gets +1 (+2 instead if its is greater than the defending character's
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Uruk Warg-Rider gets +X while attacking a character with less than Uruk Warg-rider's X is the difference.
Shadow: Return attacking enemy to the staging area after this attack.
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When Revealed: Attach to an Orc enemy and return that enemy to the staging area. Limit 1 per enemy. (Counts as a Mount attachment with the text: "Attached enemy gets +2 +2 +2 and +2 hit points.
Forced: When attached enemy leaves play, add Mordor Warg to the staging area."
When Revealed: Each ally in play gets -1 -1 and -1 until the end of the round.
Shadow: If attacking enemy's is greater than the defending character's it makes an additional attack after this one.