Breeches gives you the choice between card draw, mana production, or removing a blocker from combat whenever a Pirate attacks, and you can pick all three modes if you attack with three Pirates at once
This was a close call, but I believe next on the list is Ring of Morrigan
Just ignore them, itll be fine.
A playmat, damage counters, poison markers, and two starter decks
Baseline, the lower power or Bracket your deck is, the more likely you are to play against creature-based decks that build to the board, and the more valuable board wipes are
The Arceus variants strategy is to use Adventurers Discovery, Ultra Ball, and Acreus VStars Starbirth Ability to search out the four pieces early on and get Mewtwo VUnion ready to attack by the second or third turn