If a searchable trap that negates any effect that sets itself after use and does not have a HOPT clause isn't lucrative, I don't know what is
While you can technically include many different Pokmon types and over 25 Pokmon, this approach is generally not recommended
Though not confident in his actual play today, he definitely seems confident in the deck
While it is possible according to the MTG rules for a Wall to be created without defender, as of the time of writing (August, 2021) none have been published
The TP3-001 printing came through early tournament distribution only
It costs just three mana to animate, an affordable rate in the creature lands world, and it also gets around a major downside of creature lands: the creature being killed in combat, thus losing you the land