Yu-Gi-Oh! Spell Ruler 25th Anniversary Booster Box EnglishFor years, you could only get your hands on these coveted packs as part of the Legendary Collection, but now, just in time to celebrate the 25th anniversary of the card game, theyre being made available as a standalone booster! Spell Ruler was the first appearance of Ritual Spell Cards, Ritual Monsters, and Quick Play Spell Cards like Mystical Space Typhoon. This was the first appearance of Pegasus Toon World and Toon monsters from the first Yu Gi Oh!