Duplicating cards First, complete both sides of the game and have the card you want duplicated as the deck leader
Scope out Urza's Ruinous Blast
and Vile Bile are relics of Un-sets of days of yore, but I might actually run a Commander deck around It Came from Planet Glurg
You don't need to worry about that
As Luna is barely hanging on by 100 Life Points, Leo soon becomes Aporia's new target, unleashing as many card effects as possible on him

Warrior" 0x10E0,"Horn of the Unicorn" 0x10E0,"Horn of the Unicorn" 0x10E0,"Horn of the Unicorn" 0x10E7,"Malevolent Nuzzler" 0x10EA,"Invigoration" 0x10EA,"Invigoration" 0x10EA,"Invigoration" 0x1106,"Kanan the Swordmistress" 0x1106,"Kanan the Swordmistress" 0x119B,"Man-Eater Bug" 0x1231,"Kunai with Chain" 0x1231,"Kunai with Chain" 0x124F,"House of Adhesive Tape" 0x1291,"Gazelle the King of Mythical Beasts" 0x12CF,"Graceful Dice" 0x12CF,"Graceful Dice" 0x12E4,"Trap Hole" 0x12EB,"De-Spell" 0x12EB,"De-Spell" 0x12F3,"Ultimate Offering" 0x12F3,"Ultimate Offering" 0x12F8,"Tribute to The Doomed" 0x12F8,"Tribute to The Doomed" 0x12F8,"Tribute to The Doomed" 0x12FE,"Magic Jammer" 0x1319,"Share the Pain" 0x131B,"Heavy Storm" 0x132D,"Mystical Space Typhoon" 0x132E,"Giant Trunade" 0x1333,"Giant Rat" 0x1333,"Giant Rat" 0x139B,"The Illusory Gentleman" Side Deck (0): Fusion Deck (0): You should be able to copy/paste that into a text file on your PC and import it into your YuGiOh .SAV file with my tool.