Some effects limit the possibility to search libraries for cards: The effect of Shadow of Doubt prohibits searching libraries for the duration of the entire turn in which it resolves
Include Trainer cards that let you draw extra cards from your deck, like Professor's Research or Quick Ball
9 Nameless Race Was Zuko Before Zuko First Printing: The Dark Any fan of Avatar: The Last Airbender will notice that Nameless Race's card art resembles prince Zuko, complete with a burn scar over one eye and a ponytail of black hair
Abigale, Poet Laureate Abjure Absorb Absorb Energy Abstruse Interference Access Denied Acornelia, Fashionable Filcher Admiral's Order Adrix and Nev, Twincasters Adventurous Eater Aegis Sculptor Aether Spike Alessos and Pras, Acrobats Amazing Acrobatics Amulet of Safekeeping An Offer You Can't Refuse Angelic Cub Annul Anticognition April O'Neil, Human Element Arbalest Engineers Arcane Archery Arcane Denial Arcbound Tracker Archive Dragon Archmage's Charm Arenson's Aura Aria of Flame Armguard Familiar Armored Armadillo Artifact Blast Artistic Refusal Assert Authority Assimilate Essence Atmosphere Surgeon Autonomous Assembler Avoid Fate Axebane Ferox Bag Check Bane's Contingency Bant Charm Bar the Gate Baron Von Count Beast Mode Benevolent River Spirit Bind to Secrecy Blazing Bomb Blink Bloodcrazed Hoplite Bloomwielder Dryads Blue Elemental Blast Blue Marvel, Adam Brashear Bogslither's Embrace Bone to Ash Briarknit Kami Brine Seer Brine Shaman Bring the Ending Broken Ambitions Broken Concentration Bronze Guardian Brush Off Budoka Pupil Budoka Pupil Burly Breaker Burnout Busted
As for the Pikachu, theres no rational explanation
