/summon Villager ~ ~1 ~ {CustomName:"Criminal with a Mask",ActiveEffects:[Id:4,Amplifier:3,Duration:250000],ShowParticles:0,Equipment:[{},{},{},{},{id:"skull",Damage:3,tag:{SkullOwner:"enderskeleton334"}}],Offers:{Recipes:[{buy:{id:"string",Count:2},buyB:{id:"iron_ingot",Count:1},maxUses:1,sell:{id:"iron_shovel",Count:1,tag:{display:{Name:"Nunchucks",Lore:["RED ITEM"],HideFlags:4,Unbreakable:1,AttributeModifiers:[{AttributeName:"generic.attackDamage",Name:"generic.attackDamage",Amount:20,Operation:0,UUIDMost:51513,UUIDLeast:757714},{AttributeName:"generic.knockbackResistance",Name:"generic.knockbackResistance",Amount:2,Operation:0,UUIDMost:65918,UUIDLeast:412079}]}}},rewardExp:false}}]}}