Released in the spring, Ikoria: Lair of Behemoths introduced the ability for players to combine cards together to create monsters using the mutate keyword
Your opponent can't activate Spell or Trap cards in response to this effect's activation, either
So why were only 39 copies of the card printed
Adrestia Aetherwing, Golden-Scale Flagship Arcee, Acrobatic Coupe Balamb Garden, Airborne Bessie, the Doctor's Roadster Blitzwing, Adaptive Assailant Cyclonus, Cybertronian Fighter Damocles Base, Sword of Kang Esika's Chariot Flamewar, Streetwise Operative Goldbug, Scrappy Scout Golden Argosy Grond, the Gatebreaker Heart of Kiran Jackdaw Jetfire, Air Guardian Megatron, Destructive Force Optimus Prime, Autobot Leader Parhelion II Prowl, Pursuit Vehicle RMS Titanic Ratchet, Rescue Racer Shorikai, Genesis Engine Skysovereign, Consul Flagship Slicer, High-Speed Antagonist Starscream, Seeker Leader The Belligerent The Falcon, Airship Restored The Fantasticar The Fire Nation Drill The Indomitable The Last Ride The Lunar Whale The Omenkeel The Prima Vista The Prydwen, Steel Flagship The Regalia The Thanos-Copter Ultra Magnus, Armored Carrier Valor's Flagship Weatherlight Weatherlight Compleated

I wanted to have each version of each card printed with the duplicated being the rarest print of that card (Example: 1 non holo and 3 reverse holo) or (Example: 1 holo and 3 full art) This collection is for my son
Lucky, The 13th Puppy This deck excels at having a wide board with too many characters for your opponent to deal with, and Lucky, The 13th Puppy helps you accomplish that, then rewards you for doing it