If a creature leaves the battlefield and returns, Nadu's ability "resets" on that creature, allowing them to keep benefitting from it if they become the target of a spell or ability
I'm mostly going to discuss the more interesting ones, talk about their impact or the reasoning behind them, or just point and laugh at the most ridiculous ones
in this phase, the player can put cards onto the field
In addition to Hall of the Storm Giants, Crawling Barrens, the sixth man-land in Standard could see play in control strategies, as it benefits from decks with lots of mana at their disposal in the late game
It's the de facto best commander for its respective creature types in Commander, and that's before you even factor in the back half