You can fetch any equipment in your deck, place it onto the battlefield, and gain additional combats for all your samurai creatures
I have been practicing hard for this Set Championship
Darksteel Mutation Technically speaking, Darksteel Mutation isn't removal: The enchanted creature is still right there on the battlefield
However, for comparing the exact design and printing of the card for errors that might mark it out as fake, you don't need to have a physical copy - you can also check it against a card scan from Pokemon's official database
Meanwhile, that Porygon-Z comes with an amazing combo of an Ability that lets you flip a coin, heads meaning you can attach four Energy cards from your discard pile, tails meaning you discard an Energy from it, and Energized Attack that does 40x damage for each Energy attached