While six defense counters is a lot, it's not as bad as it looks because the battle itself is going to be adding a bunch of 2/2s to the battlefield that can help defeat the battle, meaning this should be one of the easiest battles to flip in the mid- and late game
Mox Diamond, oh, how I love you
Some groups will allow you to find any card from your collection, while others would prefer you stick to a fifteen-card sideboard limit, and others still would rather not deal with outside-the-game effects at all
As of Paradox Rifts release, Gholdengo exs Special Illustration Rare will run you around $45
special chapter: "TRANSCEND GAME (part 2)" a b c d e f g h i Yu-Gi-Oh
Put each other card exiled this way on the bottom of your library in a random order