This means when you target a creature with an instant or sorcery spell, Graduation Day is triggered, and you may place a +1/+1 counter on a creature you control
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Your deck needs a way to win, a way to not lose, and a way to not run out of gas
Laezel offers a few different ways to build a deck, but I decided to focus mostly on +1/+1 counters
They're always going to be worth a bit more when graded, but it wouldn't substantively alter the order of your value list
It can even be very good against one of the best tier 1 decks in the format, UR Murktide, as it shrinks Dragons Rage Channeler, survives Lightning Bolt and removes cards to prevent Murktide Regent getting delved in at a discount