Roon of the Hidden Realm

Oracle Text

Vigilance, trample

2, T: Exile another target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Card Rulings

10/17/2013 If Roon of the Hidden Realm’s ability targets a commander, that card’s owner may choose to have it go to the command zone rather than being exiled. The delayed triggered ability will return it to the battlefield no matter which of the two zones it went to, as long as it’s still in that zone when that triggered ability resolves.