Elden Beast

Flying, Lifelink, Trample

When Elden Beast enters the battlefield, you may cast a card named Elden Ring from anywhere without paying its mana cost

As long as you are the monarch, Graces you control have "When this permanent is sacrificed, regenerate a Beast, God, or Lord you control"

At the beginning of your upkeep, sacrifice a Grace. If you do, create a Grace token