The book side is sometimes relevant, especially when converting to your janky infinite mana and storm wins via Hullbreaker Horror and Jadzi, Oracle of Arcaivos, but in my experience, youre more interested in bouncing the book back to your hand than actually using it
he celebrated by wearing a pristine first edition Charizard card as a necklace (price: upwards of $250,000)
In short Learn lets you draw an optimal card and cards with the keyword often give you some other effect on top of it
Pro adds for this deck are Library of Leng and Toluz to keep your discards in your hand, Reliquary Tower to eliminate hand size, and maybe a Lab Man to win once youre out of cards
Ghostly Prison usually affords opponents just enough wiggle room to crash in with one big attacker, but with enough enchantments on board, Sphere of Safety can prevent attacks altogether
Flash makes it so you can cast her like an Instant, and her ETB Ability makes all creatures you control indestructible until the end of your turn