A proxy card is a replica of the original card, but with distinct differences so that anyone would be able to tell the difference between the original and a proxy
The more you do this, the more you unlock in the app, and the more you can tweak
The difference between cheap generic dividers and a real organizer set comes down to three things: how many sorting categories the set actually covers, whether the dividers fit your storage box without wobbling, and whether you have to write your own labels or the dividers come pre-labeled with the right categories
If the gift was promised, return target creature card from your graveyard to your hand
Most importantly, it says that creature so you can go wild on any creature in your deck, or your Commander, or any combo pieces you want to enable
Lukas has a good holistic eye and always asked questions that made me think through why I intuitively wanted to do something