item replace entity @n[distance=..3,limit=1,tag=necromancer_summon,tag=!necromancer_summon_unwieldy] armor.head with iron_helmet
item replace entity @n[distance=..3,limit=1,tag=necromancer_summon,tag=!necromancer_summon_unwieldy] armor.chest with iron_chestplate
item replace entity @n[distance=..3,limit=1,tag=necromancer_summon,tag=!necromancer_summon_unwieldy] armor.legs with iron_leggings
item replace entity @n[distance=..3,limit=1,tag=necromancer_summon,tag=!necromancer_summon_unwieldy] armor.feet with iron_boots