1.13

execute as @e[type=minecraft:item,nbt={OnGround:1b,Item:{id:"minecraft:#ITEM1",Count:1b}}] at @s store success entity @s Age short 6000 as @e[type=minecraft:item,distance=..1,limit=1,nbt={OnGround:1b,Item:{id:"minecraft:#ITEM2",Count:1b}}] store success entity @s Age short 6000 run summon minecraft:item ~ ~ ~ {Item:{id:"minecraft:#ITEMR",Count:1b,tag:{display:{Name:"#CUSTOMNAME"},ench:[{id:51,lvl:1}],HideFlags:1},Motion:[0.0d,0.3d,0.0d]}