Sliver creatures you control have "When this creature enters the battlefield, you may exile target creature an opponent controls until this creature leaves the battlefield."
Slivers are often seen toying with enemies they capture, not out of cruelty, but to fully learn their physical capabilities.
![Constricting Sliver [Magic 2015]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/5f1ee3cf-e72f-5d31-97e7-d6605b95fe94_53442633-7a9c-4a9b-af1e-567979596c65.jpg?v=1698570368&width=1445)