Technology Trader That Trades Redstone
Command:
/summon Villager ~1 ~ ~ {Profession:1,CustomName:"Technology Trader",CustomNameVisible:1,Career:1,CareerLevel:42,CanPickUpLoot:0,PersistenceRequired:1,Invulnerable:1,Attributes:[{Name:"generic.maxHealth",Base:99999}],Offers:{Recipes:[{buy:{id:"coal",Count:1},maxUses:null,sell:{id:"redstone",Count:64}},{buy:{id:"coal_block",Count:1},maxUses:null,sell:{id:"redstone_block",Count:64}},{buy:{id:"redstone",Count:5},maxUses:null,sell:{id:"repeater",Count:64}},{buy:{id:"redstone",Count:5},maxUses:null,sell:{id:"comparator",Count:64}},{buy:{id:"redstone",Count:3},maxUses:null,sell:{id:"redstone_torch",Count:64}},{buy:{id:"redstone_torch",Count:5},maxUses:null,sell:{id:"redstone_lamp",Count:64}},{buy:{id:"redstone_block",Count:2},maxUses:null,sell:{id:"tnt",Count:64}},{buy:{id:"redstone",Count:7},maxUses:null,sell:{id:"iron_door",Count:12}},{buy:{id:"stone_pressure_plate",Count:1},maxUses:null,sell:{id:"wooden_pressure_plate",Count:1}},{buy:{id:"wooden_pressure_plate",Count:1},maxUses:null,sell:{id:"stone_pressure_plate",Count:1}},{buy:{id:"stone_button",Count:1},maxUses:null,sell:{id:"wooden_button",Count:1}},{buy:{id:"wooden_button",Count:1},maxUses:null,sell:{id:"stone_button",Count:1}},{buy:{id:"redstone_block",Count:15},maxUses:9999999,sell:{id:"command_block",Count:64}}]}}