Stand and fight breaks the game. In a good way. Any ally that died or got discarded is now basically still in your hand. Not to mention the fact that you can discard an off-sphere ally like Beorn and slam him into play. Plus, it's got cool art.
Stand and Fight
Event. Cost: X.
Action: Choose an ally with a printed cost of X in any player's discard pile. Put that ally into play under your control. (The chosen ally can belong to any sphere of influence.)
"...we will fight on." Boromir, The Fellowship of the Ring
Core Set #51. Spirit.