This lands them in Grixis colors (Blue, Black, and Red) and offers a game plan thats somewhere between straightforward beatdown and a tricky tempo/flash strategy
The sleeve adds almost no bulk but means the card isnt in direct contact with the page or any potential debris
add 2 Shaddoll cards from your Deck to your hand of different types (Monster, Spell, Trap) from the revealed card and each other, then discard 1 card
Its Voltaic Bullet does more than just a straightforward 60 damage

Accumulated Knowledge Arcane Denial Arcane Subtraction Argent Mutation Arrester's Admonition Artificer's Epiphany Artistic Refusal Aura Finesse Backslide Bag Check Bane's Contingency Befuddle Behold the Multiverse Bewilder Blinding Spray Blink of an Eye Blur Bone to Ash Borne Upon a Wind Catalog Censor Cerulean Wisps Change of Plans Chemister's Insight Chill of the Grave Chilling Trap Choking Tethers Clairvoyance Code of Constraint Complicate Confirm Suspicions Confound Consider Constricting Tendrils Contradict Council's Deliberation Countervailing Winds Crippling Chill Cryptic Command Crystal Spray Curate Decoy Gambit Deduce Deliberate Deny Entry Depower Dismiss Disrupt Divide by Zero Don't Blink Donatello's Science Lesson Dragonlord's Prerogative Dream Fracture Dreams of Laguna Eject Eliminate the Impossible Enervate Enhanced Awareness Escape Detection Everdream Evermind Exclude Failed Inspection Fire // Ice Fleeting Distraction Flow of Knowledge Focus the Mind Force Away Force Void Foreshadow Frantic Inventory

Every strong deck has a clear goal, known as its "win condition." Ask yourself: how does this deck plan to win