Drop it on turn two, and watch the parade of Arrogant Wurms, Roar of the Wurms, Deep Analysis, Basking Rootwallas, Wonders, and other such nonsense begin
You can really tell that the people who worked on the Fallout decks truly understand the games and why people love them
You can constantly remove the second counter from The Eldest Reborn to force your opponents to discard a card on every one of your turns, turn Binding the Old Gods into a repeatable Maelstrom Pulse each turn, or get a steady stream of card draw or +1/+1 counters from The First Iroan Games
Even just tossing around a Shuko to make this bird wizard trigger is pretty awesome
We only have 8 creatures and 36 lands, so that's pretty likely
Waiting to gain life from Wall of Reverence, another end of turn trigger, wont work because we have to choose the target when we put Celestines ability on the stack