Teleport to Nether:
/execute in minecraft:the_nether run teleport ~ ~ ~

Teleport to The End:
/execute in minecraft:the_end run teleport ~ ~ ~

Teleport to Overworld:
/execute in minecraft:overworld run teleport ~ ~ ~

Stop time:
/gamerule doDaylightCycle false

Blindness:
/effect give @p blindness 99999

Remove effects:
/effect clear @p

Lightning bolt:
/summon lightning_bolt [pos]
