While the abilities do have some natural overlap, they also overlap in the right color and the abilities complement in addition to being imperfect substitutes
Countermagic isn't as good as the discard for its main role but the countermagic is more rounded and often has additional utility - mostly in the form of card draw
Its a mechanic that turns on once a card enables it and can be taken by dealing combat damage to the player with initiative, much like monarch
The Card Slinger funnels cards as you toss them into the scanning zone, centering the cards so that the scanning app can do its job quickly and efficiently, allowing you to scan card after card faster than any other manual method
And yet, some cards dare to encroach on that sacred space: double-faced cards
I dont think youre wrong, but it doesnt capture the whole story either