In general, the deck is looking to survive the first few turns by stopping others win attempts, then grind value with creatures or powerful enchantments like NecropotenceNecropotence until it's acquired enough mana and cards to go for a win, often at instant speed
That's just like Nixilis's second ability, although worse since they get mana, and better since it's just -2 to -3
Its perhaps one of the most played sideboard cards in the history of magic, which demonstrates just how powerful hexproof is
Forced discard helps to make your opponents get rid of their best creatures, especially in situations where they're forced to discard their whole hand
Youll be seeing this card in Commander, and most likely in the likes of Modern and Legacy as well
Mostly though, you'll be using Aminatou's -1 power, as early and often as you can