GCSE Power and Conflict Poetry Focused Revision

For GCSEs, we have been advised to choose six poems from 'Power and Conflict' that we want to focus our revision on. They should be chosen to get the best range of themes. For my February mocks, I chose to focus on four : Exposure, My Last Duchess, War Photographer and Bayonet Charge. I wanted to get advice on which 2 other poems to choose. I was thinking of choosing Ozymandias but I then wasn't sure of what to choose for the final poem. I know Poppies, Remains and Kamikaze well but I felt that maybe they were too similar to the ones I have already chosen. Poems I know I would rule out are The Emigree and Tissue. I would be very appreciative of any advice!