Knight of the White Tower
The City of Corsairs #139 (x3)
Ally
[4] 2 2 3 3

Knight of the White Tower's resource cost must be paid from a single hero's resource pool.

"...to be only a man of arms of the Guard of the Tower of Gondor is held worthy in the City, and such men have honour in the land." –Beregond, The Return of the King