To determine a spell's total cost, start with the mana cost (or an alternative cost if another card's effect allows you to pay one instead), add any cost increases (such as kicker), then apply any cost reductions
You want to attack with Squall alone, then use its damage trigger to recur two permanents (or the same permanent twice, if you can sacrifice it between triggers)
For example, if you put the reflexive triggered ability on the top of the stack with the job select ability below it, the reflexive triggered ability will resolve first and allow you to attach the Equipment to a Samurai you control
Keep your copies in top loaders, save any event slips or envelopes, and note the date and place you received them
Were looking at an item with true scarcity here. A few months later, another PSA 10 copy of the D23 Brave Little Tailor card sold on eBay for $4,000 in March 2023 - several months before The First Chapter was available to buy