Shared Animosity (LTC)

Enchantment

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

Out from the beleaguered hills, knights of Gondor, Riders of Rohan, and Dúnedain of the North drove against their wavering foes, piercing the press with the thrust of bitter spears.