“I honestly don’t know how my Urzatron lands became marked, so I don’t know the exact reason things turned out this way,” Watanabe wrote. “I think maybe it’s because I tutored for them a lot from my deck. This requires touching the cards more, and the repeated exposure might’ve caused damage to them, giving them distinguishable marks.”

In the interest of transparency, Watanabe and Team Cygames have released the following images of the deck.

Hrm...