scoreboard players tag @a add TestUselessEasterEgg {Inventory:[{id:"minecraft:nether_star"}]}
execute @a[tag=TestUselessEasterEgg] ~ ~ ~ title @a[tag=!InGame] times 5 65 10
execute @a[tag=TestUselessEasterEgg] ~ ~ ~ title @a[tag=!InGame] title {"text":""}
execute @a[tag=TestUselessEasterEgg] ~ ~ ~ title @a[tag=!InGame] subtitle ["",{"selector":"@a[tag=TestUselessEasterEgg]"},{"text":" "},{"text":"found an Easter Egg!","color":"aqua"}]
clear @a[tag=TestUselessEasterEgg] nether_star
scoreboard players tag @a[tag=TestUselessEasterEgg] remove TestUselessEasterEgg