Mason run you through the basics, and let you play a practice game
Foolish has seen a resurgence with the release of Rebounder, since Rebounder turns Foolish into a pick a U.A
The two colors that you most often want to steal sorceries and instants from in the first place won't be able to block the landwalking (swimming?) kraken
Itd still be a fairly repetitive experience, and the loyalty is so crazy high, it might still be problematic unless you also pulled back a bit on its starting loyalty or some such
you cannot declare attacks for the rest of this turn, except to have this card attack, also this card gains ATK equal to the combined original ATK of all other monsters on the field, then, if this card has a material attached that was originally a DARK Xyz Monster, negate the effects of all other face-up monsters on the field
It may not seem like what Ive said is that profound, but trust me: it works if you work