The Porygon from Base set, literally as old as it gets, has an attack called Conversion 1: if the Defending Pokmon has a Weakness, you can change it to any type but colorless
Unless you've got bags of cash to throw at pieces of cardboard (not something we recommend), your chances of playing with real, original copies of the Power 9 are slim
You could buy one of the precons and add the Dungeons & Dragons Players Handbook to your cart, or you can buy the four decks and add a D&D Essentials Kit
You can either run that creature into blockers, or sacrifice it to one of your own abilities for a benefit
Umezwa's Jitte This is only a problem if you are relying on small creatures
Fiend Reflection #2 X LIGHT Level 4 [ Winged Beast / Normal ] ATK 1100 DEF 1400 A bird-beast that summons reinforcements with a hand mirror