How about this:
Trigger alert when all of the following apply
Node status is equal to Down
Trigger alert when any of the following apply
Node Name is equal to Device01
Node Name is equal to Device02
Node Name is equal to Device03
How about this:
Trigger alert when all of the following apply
Node status is equal to Down
Trigger alert when any of the following apply
Node Name is equal to Device01
Node Name is equal to Device02
Node Name is equal to Device03