/summon pillager ~ ~1 ~ {PatrolLeader:1b,Patrolling:0b,CanJoinRaid:1b,HandItems:[{id:"minecraft:crossbow",count:1},{id:"minecraft:firework_rocket",count:127,tag:{Fireworks:{Flight:127,Explosions:[{Type:"large_ball",Flicker:1b,Trail:1b,Colors:[16711680],FadeColors:[0]},{Type:"burst",Flicker:1b,Trail:1b,Colors:[6684927],FadeColors:[255]}]}}}],ArmorItems:[{},{},{},{id:"minecraft:white_banner",count:1,tag:{item_name:'{"color":"gold","translate":"block.minecraft.ominous_banner"}',banner_patterns:[{pattern:"rhombus",color:"cyan"},{pattern:"stripe_bottom",color:"light_gray"},{pattern:"stripe_center",color:"gray"},{pattern:"border",color:"light_gray"},{pattern:"stripe_middle",color:"black"},{pattern:"half_horizontal",color:"light_gray"},{pattern:"circle",color:"light_gray"},{pattern:"border",color:"black"}],hide_additional_tooltip:{}}}]}