What GPU can I upgrade to?

current setup: i5 4570, intel hd graphics 4600, MSI H81M-P33 Micro ATX LGA1150 Motherboard, 16 GB (2 x 8 GB) DDR3-1600, Kingston A400 480 GB 2.5" Solid State Drive, AQIRYS Bellatrix Pro MicroATX Mini Tower case and 250 watts and no i don't know how to swap a PSU nor will i build a new PC i will probably save up for a new strong prebuilt i want a GPU for the days when i can no longer play minecraft because of vulkan