Who: Gym leader Elsa + You
What: YOUR CHANCE TO BE A POKEMON MASTERRRR
Where: A giant ice castle aka her gym
When: WHENEVERRRR during the event

Did you ever see a giant ice-castle before? Well, now you have. Challengers please come forth!
Team:

Amaura, Lv 25
Glaceon, Lv 24
Lapras, Lv 27

If you win, you'll get an ice badge