Whenever a nonartifact permanent enters the battlefield under your control, you may return another permanent you control that shares a permanent type with it to its owner's hand.
It *wants* to remain a mystery, banishing the curious in favor of less inquisitive company.
![Cloudstone Curio [Ravnica: City of Guilds]](http://tothetablebgc.myshopify.com/cdn/shop/files/47cbda17-d368-4dc3-b41c-95b146468b44_d6369835-675d-4260-9895-a8f86b5c9e60.png?v=1776564794&width=1445)
