one piece card game official playmat PREMIUM BANDAI and Case set -25th Edition- − PRODUCTS｜ONE CARD awaited official playmat is finally here The sixth official playmat featuring

You think

Watermark: Goblin Explosioneers Illustrated by Steve Prescott Not Legal This version of this card has a non-standard Magic back

All the other cards are still hidden and no information about them was gained (except that they no longer contain the land that was removed, which is information that would have been gained regardless), so they're already random and there would be no point to shuffling them further

You might approach it via Control-Combo where you provide an answer that they have difficulty handling because it came out of nowhere due to cards being played together in response to something

But something went wrong, and we ended up with this less than ideal result