As chance would have it
Definition 1 of 1
Pro Tip 1/3Unplanned Event
Implies an event occurred by luck without being planned or arranged beforehand. 
As chance would have it, we chose the same vacation destination.
Pro Tip 2/3Neutral Tone
The phrase is neutral and can refer to either positive or negative outcomes. 
As chance would have it, the rain started right after we finished our picnic.
Pro Tip 3/3Narrative Tension
Often used to create a sense of unexpectedness in storytelling. 
As chance would have it, the missing key was in my pocket all along.