He even conducted several of his own studies, which involved sending out the same several hundred cards to determine whether theyd receive the same score from several grading services (according to Kass, they did not)
Master Duel with Playstation Plus
Note that tutoring from an opponents deck is inherently riskier than looking through your own cards, as you arent going to have perfect knowledge of what your options are before casting your tutor spell, and may not be able to retrieve the specific card you want
Meanwhile, formerly dominant Leaders such as OP11-040-monkeydluffy have resurged in relevance, and newer entries like ST29-001-monkeydluffy are steadily progressing toward tier-one contention
Onigashima is the only Stage card that currently sees play and it does just that, accelerating your DON
Boxes also offer the advantage of being stackable