At its simplest, find the 40 defenders you like the most, swap out the rubbish cards for something that will make impacts on the game in different ways, and bring some versatility to your deck
When Urza, Lord High Artificer enters the battlefield, create a 0/0 colorless Construct artifact creature token with This creature gets +1/+1 for each artifact you control. You can also tap an untapped Artifact you control to add one Blue mana, and you can pay five to shuffle your library and then exile the top card of your library, then you can cast it for free until the end of the turn
But if WOTC is trying to fix White's problems with new made-for-Commander cards and have limited slots each set to do so, I feel like more catch-up land cards are no longer a good use of those slots and would prefer seeing other things instead
Congratulations to the Top 8 competitors at Pro Tour Magic: The Gathering FINAL FANTASY
When a bear changes its controller, Auras and Equipments attached to it stay attached, they do not change the controller along with the bear