Card Trivia:Rigorous Reaver
- This monster appears in the artwork of "Half Straight".
- The artwork of "Half Straight" depicts this monster with its mouth containing an eye.
- The Japanese pronunciation of "Rigorous" (リグラス Rigurasu) is a pun on "Rigorous" and "Grass".
- This monster is related to "Slate Warrior".
- Both monsters appear in the artwork of "Half Straight".
- Both monsters debuted as Immortal monsters in Yu-Gi-Oh! The Duelists of the Roses.
- Both monsters are Flip monsters in the OCG/TCG, with an additional second effect of reducing the ATK/DEF of the monster which destroyed them by 500.
- In some video games, this card's text has an error that mistakenly states its effect as each player discarding 1 card from their opponent's hand, although the actual in-game effect is the correct one.