Each saga has a few effects, with one triggering when it enters the battlefield and another happening again on each of your upkeeps or when another lore counter gets added
In 1997 and 1998, Pokemon Illustrator Cards featured the word Illustrator instead of Trainer, which is a huge distinction

Hans, Run!" Academy Rector Alabaster Host Intercessor Analyze the Pollen Angel of the Ruins Archdruid's Charm Arena Rector Beanstalk Giant Beanstalk Giant Boseiju Reaches Skyward Bring to Light Call the Mountain Chocobo Clay-Fired Bricks Colossal Rattlewurm Crumble to Dust Dauntless Scrapbot Deep Reconnaissance Deicide Dichotomancy Distant Memories Do-It-Yourself Seraph Dragon's Approach Eldritch Evolution Endless Horizons Everbark Shaman Evolving Door Extract Fall to Earth Foresight From Father to Son Fugitive of the Judoon Golos, Tireless Pilgrim Grinning Totem Grizzled Huntmaster Hide // Seek Hoarding Dragon Huatli, Poet of Unity Inevitable Betrayal Invasion of Arcavios Invasion of Ikoria Invasion of Theros Invasive Surgery Jace, Architect of Thought Kaho, Minamo Historian Kasmina, Enigma Sage Kulrath Zealot Lunar Hatchling Mangara's Tome Manipulate Fate March of Burgeoning Life Mystical Teachings Nahiri, the Harbinger Nature's Rhythm Nissa, Vastwood Seer Omenpath Journey Parallel Thoughts Path to Exile Path to the Festival Phyrexian Portal Quash Realmbreaker, the Invasion Tree Road // Ruin Road // Ruin Roamer's Routine Rootwater Thief Say Its Name Scour Search for Tomorrow Search the City Skyship Weatherlight Sowing Mycospawn Sowing Salt

This includes very low-power cards and cards that in very specific archetypes might have a role to play