tag @e[r=1,family=mob] add PlayerScourgeDamage
tag @e[r=1,family=goat] add PlayerScourgeDamage
tag @e[r=1,family=fish] add PlayerScourgeDamage
tag @e[r=1,family=panda] add PlayerScourgeDamage
tag @e[r=1,family=piglin] add PlayerScourgeDamage
tag @e[r=1,family=monster] add PlayerScourgeDamage
tag @e[r=1,family=ender] add PlayerScourgeDamage

execute as @p[scores={HeldMorph=10}] run damage @e[tag=PlayerScourgeDamage] 6 entity_attack entity @s
execute as @p[scores={HeldMorph=10}] run effect @e[tag=PlayerScourgeDamage] fatal_poison 8 2 false
tag @e remove PlayerScourgeDamage