Sometimes this differences between each server rewards is making me sad that I am playing on Android . But lucky for you, you can receive really good rewards while spending germs. I wish my server rewards would be also updated soon.
Yeah I noticed this event yesterday and could not resist spending 8k gems to get they mastery essences
CC Name: MineCon12
Ive converted to the dark side. May all you remaining f2p have the same luck I did when I was f2p!