How to build a lightning trident in Minecraft
Command Block 1) /testfor @e[type=thrown_trident]
Command Block 2) /execute at @e[type=thrown_trident] run summon lightning_bolt
Command Block 3) /kill @e[type=thrown_trident]
Command Block 1) /testfor @e[type=thrown_trident]
Command Block 2) /execute at @e[type=thrown_trident] run summon lightning_bolt
Command Block 3) /kill @e[type=thrown_trident]