Valhalla
Gain 1 for each of your lost in a battle, or 2 , if the enemy army was larger
Seaborne Raids
Your land has +1 strength bonus if they are adjacent to the sea, and +1 courage if adjacent to the ocean
Skade
After winning a battle with your land adjacent to an sea or ocean, you may spend 1 and discard 1 of your engaged to gain an available exhausted on an adjacent sea / ocean hex
After a battle, gain 5 for each destroyed enemy object
for each of your 
and discard 1 of your 
for each destroyed enemy