Stanley organizers are great for storing decks or moving them from place to place, but having to pull out entire stacks of free cards to go looking for one hurts it a lot
Presumably now the card is banned, Discover players will switch back to the MTG planeswalker Quintorius if the Discover deck survives at all
From there, you can either choose to cast it without paying its mana cost or put it into your hand
If you want to talk numbers, Id say 8-10 pieces of mana ramp is a good number to aim for, but thats very arbitrary
It is a bit weak when considering defensive uses because it is powerless against an opponent's non-blue win conditions, but it is highly valued for being a 1-mana instant that can deal with troublesome, frequently seen permanents in the environment like Mystic Remora and Rhystic Study
There are also concerns about both the visual style and flavor it brings to the table