At the beginning of your upkeep, if you control three or more Wolves and/or Werewolves, it becomes night
If one of the creatures is an illegal target and the other one isn't as The Earth Crystal's last ability tries to resolve, the original distribution of counters applies and the counter that would have been put on the illegal target is lost
Theres quite a long list, with Elvish Mystic, Llanowar Elves, and Birds of Paradise being the usual suspects
The debate over which footwear is best has raged for years, but the format context is key: Swiftfoot Boots is a Commander staple thanks to its flexibility with targeted effects
Would be great if you could use it to protect against a board wipe, but you could also use it to make your own board wipes one sided
If that happens, you simply shuffle your discard deck and start playing them again