You just never miss a land drop, even out to double digit lands
There are only five MTG cards that, before The Twelfth Doctor, even mentioned the Demonstrate mechanic: Creative Technique Excavation Technique Healing Technique Incarnation Technique Replication Technique These five cards all originate from the Strixhaven: School of Mages Commander expansion, otherwise known as Commander 2021
Few spells give this much flexibility for one cast
And whenever the final chapter of a Saga you control resolves, you reveal cards from your library until you find a Saga, then put it directly into play once each turn
This is probably a good time to point out that Tooth and Nail isnt optional (theres no may), up to two means they can choose 0
You cant counter it, and you cant remove it the turn it comes down, so its hard to deal with it efficiently