Dia the Holy Diamond

Whenever this creature suffers damage,
prevent 1 of that damage.
As long as you control another Idol creature, this creatures gets +0/+2
Other Aqours creatures have:
"Whenever this creature suffers damage, prevent 1 of that damage."
If you control 8 other Aqours creatures with different names they all have:
"Prevent all damage that would be dealt to this creatures"