UV rays from the sun will fade the vibrant colors of your cards over time, and humidity can cause them to warp or even grow mold
Given the pests that infest this deck are green and black, when you sacrifice one of them, you can pay 2 life to sacrifice an extra creature and then immediately gain it back, offering you more life as a resource to play with
You can build decks from cards you actually own, scan cards with your phone camera, and track set completion
If youre playing Commander or Legacy formats, these staples are definite must-haves for your collection
Blacephalon decks especially appreciate it, since many of the Trainer cards it runs is what makes the deck as good as it is
Just getting to draw a card and ping a target after an opponent plays a spell is very good