When you get a bootleg copy of the SEVENS book.
This card will be included as a bonus in the vol. 1 of the manga “Yu-Gi-Oh! SEVENS Boku no Hatsumei Gakuen”, to be published in the Saikyou JUMP magazine.
RD/BRG1-JP001 Tsuyoi Shounen Sevens Road / Strong Boy Sevens Road
Spellcaster/Effect, DARK, Level 7, ATK 2100, DEF 1500
[REQUIREMENT] A monster is in your Graveyard, send the top card of your Deck to the Graveyard.
[EFFECT] This card gains ATK equal to [the number of different Attributes in your Graveyard] x 200, until the end of this turn. Then, if your opponent has 700 LP or less, inflict 700,000,000 damage to your opponent.
“Yu-Gi-Oh! SEVENS Boku no Hatsumei Gakuen”
-Author: Megumi Sasaki
-Release date: May 2nd, 2022
-Price: 550 yen (incl. tax)
(The picture is currently in development and may be subject to change)
Note: This is most likely not an April Fools joke.