If you are taking an aggressive stance and pressuring your opponents life total they are going to have a difficult time paying life to deny you cards, which means that Sin Prodder will be doing a passable Dark Confidant impression and drawing you some cards while it beats down
It's crucial because the way you'll be able to battle, and the winning chances depend on the right card selection and balance keeping
Perhaps the cards have been in your possession since the late 90s Perhaps you acquired your favourite Pokemon artwork Or maybe you took a punt on a sealed booster and pulled some great cards Whatever the scenario, getting a card graded because it has meaning to you is by far the best reason in my book
Released in Japan, it was done more as a film advertising project than a targeted card set
While you do have to sacrifice an artifact as part of the casting cost, being able to place any artifact in your deck onto the battlefield for its mana value + 2 blue mana is incredibly strong, and can be useful during almost any part of a game