Choose a source of damage

[Destore117]

So I was wondering if I use {Intervention Pact} can I say creatures and have it prevent all creature damage or do I have to specify a specific creature to prevent?

[Sardok]

You can specify a permanent on the battlefield or even a spell on the stack, but just one source.

[Destore117]

Ok so I can't choose a type of spell. Alright. Thanks!