You can go to discord and check announcements channel.

Below is the discord msg :
@everyone Have you been waiting to get invited to the Victoria Testnet?
Introducing ClayStack PoW Campaign for Victoria 🎊

Here's how it works:
-Create content based on a specific topic that we will share in the channel.
-Share your work on Twitter. Tag @ClayStack_HQ and include #MyKeyToVictoria along with your address in the tweet. Users with the best work will get an invite.
-Share that tweet in the PoW channel on Discord.
-Ambassadors will review the best work and give the invites.

Note: These topics will be dynamic so be sure to check the pinned messages for the latest topic. There will be a lot of winners (all of them will be selected on the quality of their work).
你可以到不和频道查看公告。
下面是不和谐的 msg ：
你一直在等待被邀请参加维多利亚测试网吗？
介绍 Clay Stack 维多利亚 PoW 战役🎊
以下是它的工作原理：
-根据我们将在频道中分享的特定主题创建内容。
-在推特上分享你的作品。标记@ Clay Stack _ HQ ，并在 tweet 中包含# My Key To Victoria 和您的地址。最优秀作品的用户将获得邀请。
-在 Discord 的战俘频道分享这条微博
-大使们会审核最好的作品并发出邀请。
注意：这些主题将是动态的，所以请确保检查最新主题的固定消息。将有很多的获奖者（他们所有的人将被选择的质量，他们的工作）。