Conjuror takes its title from May’s father's fishing boat. The paintings originated last summer during long hauls out for tuna that the two would take together, leaving the dock at Martha’s Vineyard at four in the morning, the dark, abyssal water below flecked with a bioluminescent glow. Motoring out past West Chop and the Elizabeth Islands archipelago beyond it, then past Noman’s Land, May would watch night give way to sunrise before finally losing sight of land altogether, chasing instead an…