When Static Prison enters the battlefield, exile target nonland permanent an opponent controls until Static Prison leaves the battlefield. You get
![Emblem e](/images/productsymbols/e_icon.gif)
![Emblem e](/images/productsymbols/e_icon.gif)
(two energy counters).
At the beginning of your precombat main phase, sacrifice Static Prison unless you pay
![Emblem e](/images/productsymbols/e_icon.gif)
.