It took me a LOT of tries and I had to replace quite a bit but finally did it. Got rid of 1xStormpike Commando, both Boulderfist Ogres and War Golems, and 1xElven Archer.
Replaced with 2xWolfrider and 2xSouthsea Deckhand as suggested. Filled the other 2 slots with 2xDragonslayers
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