From the Armory (4U47)

set	The Two Towers
card type	Condition
game text	Plays to your support area. Skirmish: Exert a Dwarf and stack a Free Peoples card from hand here to prevent all wounds to that Dwarf.
rarity	U
kind	Free People
culture	Dwarven
twilight	0
lore	”'It's a bit tight around the chest.'”