If your deck is aggressive this is not a great tool and if you have few low value recursion targets this will also under perform although will at least remain playable
Leveling up Class cards felt truer to the game of D&D where the player was leveling up their character, with each new level adding more abilities to you, the player
Not only do you get Darksteel Plate, Sword of the Animist, and Fire-Lit Thicket, but Clever Concealment has some amazing new art of Clouds disguise
Meanwhile, Mindcrank makes it so your opponent has to put a number of cards in their graveyard equal to the damage they receive
On average, if you opened six Collector Boosters, you would expect to get a combination of 5 common and/or uncommon Lesson cards, as well as 1 rare or mythic rare Lesson card
Once someone quits Magic out of frustration and lapses, its way harder to pull them back in