What's a combo you accidentally stumbled upon?

For me, it was [[Season of weaving]] and [[Stormchaser's talent]]. Literally didn't think about how they could interact when I put them in the same deck, but then I played season of Weaving, bounced everything including stormchasers talent, then cast Stormchaser's Talent and upgraded and...oh hey! I can bring back season of Weaving! The combo begins...