You may choose which cost you pay
really it's just legendary spiders that crawl into your Commander decks once in a while
His -3 loyalty ability suffers from a similar problem as it provides the great effect of exile removal, but if your targeted enchantment is ever destroyed your opponent gets their creature back
You definitely want to stay at 38+ lands when youre discarding all the time, and really the deck could go to 40 lands and still run smoothly provided you pack it with cyclers and other tools to see more cards
Redundancys fine though, and Teysa cant become indestructible like Drivnod can
Once full of quest counters, white gets a Conjurer's Closet, green gets Ride the Shoopuf plus trample, red gets an ability doubler, and blue gets Coastal Piracy