It lets you look at the top five cards of your deck and add one of them to your hand
Sparkshaper Visionary can turn your board of clunky planeswalkers into a 3/3 flying army that lets you scry several times
Note that if it was forked, you cannot win with it, as that won't count as "casting," but something that casts it for free from a non-hand source will count the first time, so something like Golos, Tireless Pilgrim can count as the first time you cast it, and net you seven life and stack it seven down

============ Main Deck : 40 ============ Black Luster Soldier - Envoy of the Beginning x1 Sacred Phoenix of Nephthys x1 Jinzo x1 Mobius the Frost Monarch x1 Airknight Parshath x1 Tribe-Infecting Virus x1 Breaker the Magical Warrior x1 Tsukuyomi x1 Sangan x1 Hand of Nephthys x2 Old Vindictive Magician x1 Apprentice Magician x2 Magician of Faith x2 Heavy Storm x1 Delinquent Duo x1 Metamorphosis x2 Pot of Greed x1 Soul Exchange x2 Nobleman of Crossout x2 Graceful Charity x1 Mystical Space Typhoon x1 Scapegoat x3 Snatch Steal x1 Premature Burial x1 Mirror Force x1 Torrential Tribute x1 Dust Tornado x2 Call of the Haunted x1 Raigeki Break x1 A recent thing we started experimenting with is Hand Goat, named after Hand of Nephthys which can summon out Sacred Pheonix of Nephythys , a scary monster in its own right
Its simple enough: fuse with this card, then use its effect to pull additional Heroes from the deck to keep on the pressure