Arove, Lord of Duel Realms

If a creature dying would cause an ability to trigger, it instead triggers when that creature enters the battlefield.
As long as Arove, Lord of Duel Reams is in your graveyard, if a creature entering the battlefield would cause an ability to trigger, it instead triggers when that creature dies.
"In life he, preserved. In death, he realized his mistake." —Ogenfell, the Teller